Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.2 - Solving Equations: Review of the Addition and Multiplication Properties - Exercise Set: 43

Answer

$x=-3$

Work Step by Step

$22-42=4(x-1)-4\rightarrow$ apply the distributive property $22-42=4x-4-4\rightarrow$ simplify $-20=4x-8\rightarrow$ add 8 to both sides $-20+8=4x-8+8\rightarrow$ simplify $-12=4x\rightarrow$ divide both sides by 4 $-12\div4=4x\div4\rightarrow$ simplify $-3=x$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.