Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 1 - Summary Exercises - Reviewing a Chapter - Solving Linear and Absolute Value Equations and Inequalities - Page 122: 13



Work Step by Step

We are given the equation $9x-3(x+1)=8x-7$. In order to solve, first use the distributive property to simplify the left side. $9x-3x-3=8x-7$ $6x-3=8x-7$ Add 7 to both sides. $6x+4=8x$ Subtract 6x from both sides. $2x=4$ Divide by 2. $x=2$
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