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: 8

Answer

$x=-15/8$

Work Step by Step

The distributive property allows us to distribute anything multiplied by something inside of the parenthesis to whatever is inside of the parenthesis. Thus, we distribute the -3 to everything inside of the first set of parenthesis, giving us the equation $-3x-18=5x-3$. We now simplify: $-18=8x-3 \\\\ -15 = 8x \\\\ x=-15/8$
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