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 383: 36



Work Step by Step

You have the equations:x+y=1.5 and 2x+y=1. Eliminate the equations by subtracting the second one from the first one: 1x+y=1.5 -2x-y=-1 -x=0.5 -->divide both sides by -1 x=-0.5 Plug in x=-0.5 into one of the equations: -0.5+y=1.5 -add 0.5 from both sides- y=2 The solution is(-0.5,2)
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