Answer
(22,7)
Work Step by Step
add the 2 equations together
4y = 28
divide each side by 4
plug in 7 to one of the equations
x -7 = 15 add 7 to both sides
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 6 - Systems of Equations and Inequalities - 6-3 Solving Systems Using Elimination - Practice and Problem-Solving Exercises - Page 382: 8
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