Elementary Algebra17th EditionLynn Marecek, MaryAnne Anthony-Smith Publisher: OpenStax - Rice UniversityISBN: 9780998625713
Elementary Algebra
Solutions for Elementary Algebra
Problem 5.49TI:
Solve the system by elimination. {3x+y=52x3y=7Problem 5.50TI:
Solve the system by elimination. {4x+y=52x2y=2Problem 5.51TI:
Solve the system by elimination. {2x+y=5xy=4Problem 5.52TI:
Solve the system by elimination. {x+y=32xy=1Problem 5.53TI:
Solve the system by elimination. {4x3y=15x9y=4Problem 5.54TI:
Solve the system by elimination. {3x+2y=26x+5y=8Problem 5.55TI:
Solve the system by elimination. {3x4y=95x+3y=14Problem 5.56TI:
Solve the system by elimination. {7x+8y=43x5y=27Problem 5.57TI:
Solve the system by elimination. { 1 3x 1 2y=1 3 4xy= 5 2Problem 5.58TI:
Solve the system by elimination. {x+ 3 5y= 1 5 1 2x 2 3y= 5 6Problem 5.59TI:
Solve the system by elimination. {5x3y=15y=5+ 5 3xProblem 5.60TI:
Solve the system by elimination. {x+2y=6y= 1 2x+3Problem 5.61TI:
Solve the system by elimination. {3x+2y=89x6y=13Problem 5.62TI:
Solve the system by elimination. {7x3y=214x+6y=8Problem 5.65TI:
Malik stops at the grocery store to buy a bag of diapers and 2 cans of formula. He spends a total of...Problem 5.66TI:
To get her daily intake of fruit for the day, Sasha eats a banana and 8 strawberries on Wednesday...Problem 5.67TI:
For each system of linear equations, decide whether it would be more convenient to solve it by...Problem 5.68TI:
For each system of linear equations, decide whether it would be more convenient to solve it by...Problem 126E:
In the following exercises, solve the systems of equations by elimination. 126. {5x+2y=23xy=0Problem 127E:
In the following exercises, solve the systems of equations by elimination. 127. {3x+y=9x2y=12Problem 128E:
In the following exercises, solve the systems of equations by elimination. 128. {6x5y=12x+y=13Problem 129E:
In the following exercises, solve the systems of equations by elimination. 129. {3xy=74x+2y=6Problem 130E:
In the following exercises, solve the systems of equations by elimination. 130. {x+y=1xy=5Problem 131E:
In the following exercises, solve the systems of equations by elimination. 131. {x+y=8xy=6Problem 132E:
In the following exercises, solve the systems of equations by elimination. 132. {3x2y=1x+2y=9Problem 133E:
In the following exercises, solve the systems of equations by elimination. 133. {7x+6y=10x6y=22Problem 134E:
In the following exercises, solve the systems of equations by elimination. 134. {3x+2y=3x2y=19Problem 135E:
In the following exercises, solve the systems of equations by elimination. 135. {5x+2y=15x4y=7Problem 136E:
In the following exercises, solve the systems of equations by elimination. 136. {6x+4y=46x5y=8Problem 137E:
In the following exercises, solve the systems of equations by elimination. 137. {3x4y=11x2y=5Problem 138E:
In the following exercises, solve the systems of equations by elimination. 138. {5x7y=29x+3y=3Problem 139E:
In the following exercises, solve the systems of equations by elimination. 139. {6x5y=75x2y=13Problem 140E:
In the following exercises, solve the systems of equations by elimination. 140. {x+4y=83x+5y=10Problem 141E:
In the following exercises, solve the systems of equations by elimination. 141. {2x5y=73xy=17Problem 142E:
In the following exercises, solve the systems of equations by elimination. 142. {5x3y=12xy=2Problem 143E:
In the following exercises, solve the systems of equations by elimination. 143. {7x+y=413x+3y=4Problem 144E:
In the following exercises, solve the systems of equations by elimination. 144. {3x+5y=132x+y=26Problem 145E:
In the following exercises, solve the systems of equations by elimination. 145. {3x5y=95x+2y=16Problem 146E:
In the following exercises, solve the systems of equations by elimination. 146. {4x3y=32x+5y=31Problem 147E:
In the following exercises, solve the systems of equations by elimination. 147. {4x+7y=142x+3y=32Problem 148E:
In the following exercises, solve the systems of equations by elimination. 148. {5x+2y=217x4y=9Problem 149E:
In the following exercises, solve the systems of equations by elimination. 149. {3x+8y=32x+5y=3Problem 150E:
In the following exercises, solve the systems of equations by elimination. 150. {11x+9y=57x+5y=1Problem 151E:
In the following exercises, solve the systems of equations by elimination. 151. {3x+8y=675x+3y=60Problem 152E:
In the following exercises, solve the systems of equations by elimination. 152. {2x+9y=43x+13y=7Problem 153E:
In the following exercises, solve the systems of equations by elimination. 153. { 1 3xy=3x+ 5 2y=2Problem 154E:
In the following exercises, solve the systems of equations by elimination. 154. {x+ 1 2y= 3 2 1 5x 1...Problem 155E:
In the following exercises, solve the systems of equations by elimination. 155. {x+ 1 3y=1 1 2x 1...Problem 156E:
In the following exercises, solve the systems of equations by elimination. 156. { 1 3xy=3 2 3x+ 5...Problem 157E:
In the following exercises, solve the systems of equations by elimination. 157. {2x+y=36x+3y=9Problem 158E:
In the following exercises, solve the systems of equations by elimination. 158. {x4y=13x+12y=3Problem 159E:
In the following exercises, solve the systems of equations by elimination. 159. {3xy=86x+2y=16Problem 160E:
In the following exercises, solve the systems of equations by elimination. 160. {4x+3y=220x+15y=10Problem 161E:
In the following exercises, solve the systems of equations by elimination. 161. {3x+2y=66x4y=12Problem 162E:
In the following exercises, solve the systems of equations by elimination. 162. {5x8y=1210x16y=20Problem 164E:
In the following exercises, solve the systems of equations by elimination. 164. {7x9y=1621x+27y=24Problem 165E:
In the following exercises, solve the systems of equations by elimination. 165. {5x3y=15y= 5 3x2Problem 166E:
In the following exercises, solve the systems of equations by elimination. 166. {2x+4y=7y= 1 2x4Problem 167E:
\In the following exercises, translate to a system of equations and solve. 167. The sum of two...Problem 168E:
In the following exercises, translate to a system of equations and solve. 168. The sum of two...Problem 169E:
In the following exercises, translate to a system of equations and solve. 169. The sum of two...Problem 170E:
In the following exercises, translate to a system of equations and solve. 170. The sum of two...Problem 171E:
In the following exercises, translate to a system of equations and solve. 171. Andrea is buying some...Problem 172E:
In the following exercises, translate to a system of equations and solve. 172. Peter is buying...Problem 173E:
In the following exercises, translate to a system of equations and solve. 173. The total amount of...Problem 174E:
In the following exercises, translate to a system of equations and solve. 174. The total number of...Problem 175E:
In the following exercises, decide whether it would be more convenient to solve the system of...Problem 176E:
In the following exercises, decide whether it would be more convenient to solve the system of...Problem 177E:
In the following exercises, decide whether it would be more convenient to solve the system of...Problem 178E:
In the following exercises, decide whether it would be more convenient to solve the system of...Problem 179E:
Norris can row 3 miles upstream against the current in the same amount of time it takes him to row 5...Problem 180E:
Josie wants to make 10 pounds of trail mix using nuts and raisins, and she wants the total cost of...Browse All Chapters of This Textbook
Chapter 1 - FoundationsChapter 1.1 - Introduction To Whole NumbersChapter 1.2 - Use The Language Of AlgebraChapter 1.3 - Add And Subtract IntegersChapter 1.4 - Multiply And Divide IntegersChapter 1.5 - Visualize FractionsChapter 1.6 - Add And Subtract FractionsChapter 1.7 - DecimalsChapter 1.8 - The Real NumbersChapter 1.9 - Properties Of Real Numbers
Chapter 1.10 - Systems Of MeasurementChapter 2 - Solving Linear Equations And InequalitiesChapter 2.1 - Solve Equations Using The Subtraction And Addition Properties Of EqualityChapter 2.2 - Solve Equations Using The Division And Multiplication Properties Of EqualityChapter 2.3 - Solve Equations With Variables And Constants On Both SidesChapter 2.4 - Use A General Strategy To Solve Linear EquationsChapter 2.5 - Solve Equations With Fractions Or DecimalsChapter 2.6 - Solve A Formula For A Specific VariableChapter 2.7 - Solve Linear InequalitiesChapter 3 - Math ModelsChapter 3.1 - Use A Problem-solving StrategyChapter 3.2 - Solve Percent ApplicationsChapter 3.3 - Solve Mixture ApplicationsChapter 3.4 - Solve Geometry Applications: Triangles, Rectangles, And The Pythagorean TheoremChapter 3.5 - Solve Uniform Motion ApplicationsChapter 3.6 - Solve Applications With Linear InequalitiesChapter 4 - GraphsChapter 4.1 - Use The Rectangular Coordinate SystemChapter 4.2 - Graph Linear Equations In Two VariablesChapter 4.3 - Graph With InterceptsChapter 4.4 - Understand Slope Of A LineChapter 4.5 - Use The Slope–intercept Form Of An Equation Of A LineChapter 4.6 - Find The Equation Of A LineChapter 4.7 - Graphs Of Linear InequalitiesChapter 5 - Systems Of Linear EquationsChapter 5.1 - Solve Systems Of Equations By GraphingChapter 5.2 - Solve Systems Of Equations By SubstitutionChapter 5.3 - Solve Systems Of Equations By EliminationChapter 5.4 - Solve Applications With Systems Of EquationsChapter 5.5 - Solve Mixture Applications With Systems Of EquationsChapter 5.6 - Graphing Systems Of Linear InequalitiesChapter 6 - PolynomialsChapter 6.1 - Add And Subtract PolynomialsChapter 6.2 - Use Multiplication Properties Of ExponentsChapter 6.3 - Multiply PolynomialsChapter 6.4 - Special ProductsChapter 6.5 - Divide MonomialsChapter 6.6 - Divide PolynomialsChapter 6.7 - Integer Exponents And Scientific NotationChapter 7 - FactoringChapter 7.1 - Greatest Common Factor And Factor By GroupingChapter 7.2 - Factor Quadratic Trinomials With Leading Coefficient 1Chapter 7.3 - Factor Quadratic Trinomials With Leading Coefficient Other Than 1Chapter 7.4 - Factor Special ProductsChapter 7.5 - General Strategy For Factoring PolynomialsChapter 7.6 - Quadratic EquationsChapter 8 - Rational Expressions And EquationsChapter 8.1 - Simplify Rational ExpressionsChapter 8.2 - Multiply And Divide Rational ExpressionsChapter 8.3 - Add And Subtract Rational Expressions With A Common DenominatorChapter 8.4 - Add And Subtract Rational Expressions With Unlike DenominatorsChapter 8.5 - Simplify Complex Rational ExpressionsChapter 8.6 - Solve Rational EquationsChapter 8.7 - Solve Proportion And Similar Figure ApplicationsChapter 8.8 - Solve Uniform Motion And Work ApplicationsChapter 8.9 - Use Direct And Inverse VariationChapter 9 - Roots And RadicalsChapter 9.1 - Simplify And Use Square RootsChapter 9.2 - Simplify Square RootsChapter 9.3 - Add And Subtract Square RootsChapter 9.4 - Multiply Square RootsChapter 9.5 - Divide Square RootsChapter 9.6 - Solve Equations With Square RootsChapter 9.7 - Higher RootsChapter 9.8 - Rational ExponentsChapter 10 - Quadratic EquationsChapter 10.1 - Solve Quadratic Equations Using The Square Root PropertyChapter 10.2 - Solve Quadratic Equations By Completing The SquareChapter 10.3 - Solve Quadratic Equations Using The Quadratic FormulaChapter 10.4 - Solve Applications Modeled By Quadratic EquationsChapter 10.5 - Graphing Quadratic Equations
Sample Solutions for this Textbook
We offer sample solutions for Elementary Algebra homework problems. See examples below:
More Editions of This Book
Corresponding editions of this textbook are also available below:
ELEMENTARY ALGEBRA VOL 1-2
17th Edition
ISBN: 9781506698205
Elementary Algebra (OER)
17th Edition
ISBN: 9781947172258
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