Solve the system by back substitution. - 4x - 8y - 2z - 6w = -1 - 4y - 24z - 8w = - 32 3z + 3w = W = 3 ... The solution set is {ODID} (Type an integer or a simplified fraction.) 263

Q: 3x - 5y= -13  -2x + 3y = 8

A:

Q: 2x+1=5

A: To solve for x

Q: If C = 2m2 + m and D = 2 - 6m + 2m2, find an expression that equals %3D 2C - 2D in standard form.

A: Given:  C=2m2+mD=2-6m+2m2 To find: We have to find 2C-2D in standard form.

Q: A trapezoid is a four-sided figure with exactly one pair of parallel sides. The expression h(B + b)…

A: Given b=7,h=5,B=15.

Q: 7x - 2y = 19  3x + 5y = 14

A:

Q: Divide. x + 5    x3 + 2x2 − 30x − 75

A: In the given problem we need to divide x3+2x2-30x-75  by x+5. That means we have to find two…

Q: Divide. x-3 x+1 3x+9x²+2x-3 Simplify your answer as much as possible.

A:

Q: 3a-2+5a=-3-(-7)+12a

A: See this solution in below.

Q: The sum of two numbers is seventy. Using x to represent the smaller of the two numbers, translate…

A: Given,          The sum of two numbers is seventy. Using x to represent the smaller of           the…

Q: Suppose that it costs $17 to place a classified advertisement in the​ newspaper, plus ​$3 for each…

A: An order pair can be written as (1,20).

Q: If 2y-8=24 find the value of 3y

A: The given equation is  2y-8=24 . ....... (1)

Q: Distinguish the number of solutions. -6x - 4y= -4 3x + 2y = 6

A:

Q: 7x + 8y = 67  3x + 6y = 39

A: Solving system of equations means finding the value of the variable involved into the equation.

Q: 2x+2x=2

A:

Q: 4b2 + 8b +7 = 4

A: Given that

Q: Divide. (12x° + 23x² + 16x + 36) (3x + 6)

A:

Q: 5x - 3y = 18 3x + 3y = 30

A: From the given problem:   5x-3y=18 ....13x+3y=30.....(2)   Now adding the equation (1) & (2).…

Q: Multiply. (5w+3)(6w²-2w+7) Simplify your answer.

A:

Q: Find A. -6 4 (4A)-1 -2 1 A =

A:

Q: 8z - 4 = 6z + 3 Find z

A: To find z 8z - 4 = 6z + 3

Q: Lydia and Claudia have the same number of charms in their collections. Lydia started with 6 charms…

A: Image below

Q: 9x+4y=13 3x+5y=9

A:

Q: Multiply. 2x+3w )(6x-w) Simplify your answer.

A: Multiply.   2x+3w6x-w Simplify you answer.

Q: 2x+5y=-4 -2x+3y=20

A: The given equations are 2x + 5y = –4 and –2x + 3y = 20. Add the given equations as follows. Thus,…

Q: a = 2 - 9a

A:

Q: 2x + 5y = 14 3x - 2y = -17

A:

Q: Multiply and simplify. y2−w2y3−w3•y2+yw+w2y2+2yw+w2

A:

Q: 2x+5y=14 4x+2y=-4

A:

Q: Solve. Enter your answers as a comma-separated list. v-10/v2-5v+4  =  3/v-1   -    5/v-4

A:

Q: 3x + 5 = -5x + 3 ×=

A:

Q: A rectangle has each side that is multiplied by the value of the width,2x. So basically the…

A: A rectangle has each side that is multiplied by the value of the width,2x. So basically the…

Q: -2/w-3/4=3w-7/3

A: Consider the given equation.

Q: Simplify. Remove grouping symbols and combine like terms. 6a²-2[4b-4b(b + 4)] 6a-2[4b-4b(b + 4)] =

A: The given expression is,

Q: Find 4A + 2B. - 6 6. 8 4 A = 7 1 B = 4A + 2B =

A: