Answer
w=−2 or w=2
Work Step by Step
−3|2w|=−12⟶ divide each side by -3
−3|2w|÷−3=−12÷−3⟶ divide
|2w|=4⟶ definition of absolute value
2w=−4 or 2w=4⟶ divide each part by 2
2w÷2=−4÷2 or 2w÷2=4÷2⟶ divide
w=−2 or w=2
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - 3-7 Absolute Value Equations and Inequalities - Practice and Problem-Solving Exercises - Page 211: 22
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