Answer
The answer is below.
Work Step by Step
There should not be a two next to the x on the right side of an equation. Thus, considering that it is just an x instead of a 2x, the answer becomes -12.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 4 - Proportions, Percents, and Solving Inequalities - 4.1 - Ratios and Proportions - Problem Set 4.1 - Page 150: 73
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