Answer
x = 2
Work Step by Step
4x - 21 = -13
Add 21 to both sides to get rid of the -21 on the left.
4x = 8
Divide both sides by 4 to find x.
x = 2
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.2 - Integrated Review - Expressions and Equations - Page 183: 30
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