Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Review Problem Set - Page 137: 3



Work Step by Step

We need to get the x alone, so we cancel out the addition by subtracting 7 on both sides. This leaves us with the equation -4x=3. We cancel out multiplication by using division, so we divide both sides of the equation by -4 to get that $x=-3/4$
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