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: 13


(5, 15)

Work Step by Step

subtract the equations from each other 6x = 30 divide 6 from both sides plug in x=5 to one of the equations 6(5) + 2y = 60 subtract 30 from both sides 2y = 30 divide both sides by 2 y=15
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