Solving Linear Systems by Substitution Answers

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Amelie solves the following system of equations.Which values of x and y satisfy this system of equations?

x = 0, y = 20

x = 5, y = 15

x = 10, y = 0

x = 15, y = 5

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Which statement correctly explains how Mari could find the solution to the following system of linear equations using elimination?

Multiply the first equation by 7 and the second equation by 2, and then add.

Multiply the first equation by 3 and the second equation by 5, and then subtract.

Multiply the first equation by –7 and the second equation by 2, and then add.

Multiply the first equation by –3 and the second equation by -5, and then subtract.

Veda solves the following system of linear equations by elimination. What is the value of x in the solution of the system of equations?

–20

–1

Which could be the resulting equation when elimination is used to solve the given system of equations?

10a = 60

10b = 60

–10a = 60

–10b = 60

André solves the following system of equations by elimination. Which could be the resulting equations when André eliminates one of the variables?

12b = 0

6a = 0

–6a = 0

–12b = –24

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