Algebra 1: Common Core (15th Edition)

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: 9



Work Step by Step

Subtract the two equations to get 6y = 30 then divide both sides by 6. Plug in y=5 to one of the equations. 2x + 4(5) = 22 subtract from both sides. 2x = 2 divide each side by 2.
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