Order the steps and justifications in solving the system of linear equations. -2x+y=7 2x+y=-9

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter6: Systems Of Linear Equations And Inequalities
Section: Chapter Questions
Problem 12MCQ
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Order the steps and justifications in solving the system of linear equations.

-2x+y=7

2x+y=-9

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