Explanation Given: The system of equations, 2 x + 4 y − 2 z = − 22 4 x + 3 y + 5 z = − 10 5 x − 2 y + 3 z = 13 Calculation: Consider the system of equations, 2 x + 4 y − 2 z = − 22 …… (1) 4 x + 3 y + 5 z = − 10 …… (2) 5 x − 2 y + 3 z = 13 …… (3) Multiply by 5 in equation (1) and multiply by 2 in equation (2) then addition of equations (1) and (2) to get equation (4), 10 x + 20 y − 10 z = − 110 8 x + 6 y + 10 z = − 20 _ �

MYLAB MATH FOR INTERMEDIATE ALGEBRA 18WK

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ISBN: 9780136418306

Author: Tobey

Publisher: PEARSON

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Chapter 4.2, Problem 4QQ

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To calculate: Two equations with only the two variables x and y, eliminating the variable z, from the system of equations,

2x+4y−2z=−224x+3y+5z=−105x−2y+3z=13

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Chapter 4.2, Problem 3QQ

Chapter 4.3, Problem 1E

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Chapter 4 Solutions

MYLAB MATH FOR INTERMEDIATE ALGEBRA 18WK

Ch. 4.1 - Verbal and Writing Skills, Exercises 1-4 Explain...Ch. 4.1 - Verbal and Writing Skills, Exercises 1-4 Explain...Ch. 4.1 - Verbal and Writing Skills, Exercises 1-4 3. How...Ch. 4.1 - Verbal and Writing Skills, Exercises 1-4 When you...Ch. 4.1 - Determine whether the given ordered pair is a...Ch. 4.1 - Prob. 6E Ch. 4.1 - Solve the system of equations by graphing. Check...Ch. 4.1 - Prob. 8E Ch. 4.1 - Solve the system of equations by graphing. Check...Ch. 4.1 - Solve the system of equations by graphing Check...

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Two equations with only the two variables x and y , eliminating the variable z , from the system of equations, 2 x + 4 y − 2 z = − 22 4 x + 3 y + 5 z = − 10 5 x − 2 y + 3 z = 13

Solution Summary: The author calculates two equations with only the two variables x and y, eliminating the variable z.

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To calculate: Two equations with only the two variables x and y, eliminating the variable z, from the system of equations,

2x+4y−2z=−224x+3y+5z=−105x−2y+3z=13

Want to see the full answer?

Chapter 4 Solutions

Two equations with only the two variables x and y , eliminating the variable z , from the system of equations, 2 x + 4 y − 2 z = − 22 4 x + 3 y + 5 z = − 10 5 x − 2 y + 3 z = 13

Solution Summary: The author calculates two equations with only the two variables x and y, eliminating the variable z.

Videos

To calculate: Two equations with only the two variables x and y, eliminating the variable z, from the system of equations, 2x+4y−2z=−224x+3y+5z=−105x−2y+3z=13

Want to see the full answer?

Chapter 4 Solutions

To calculate: Two equations with only the two variables x and y, eliminating the variable z, from the system of equations,

2x+4y−2z=−224x+3y+5z=−105x−2y+3z=13