Answer
x=12
Work Step by Step
3(x+4)=5x-12
3x+3(4)=5x-12
3x+12=5x-12
3x=5x-12-12
3x=5x-24
3x-5x=-24
-2x=-24
x=$\frac{-24}{-2}$
x=12
Check the answer.
3(12+4)=5(12)-12
3(16)=60-12
48=48
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Review Exercises - Page 203: 21
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