Answer
x=$\frac{1}{2}$
Work Step by Step
$4x+8x-2x=20-15$
$12x-2x=20-15$
$10x=20-15$
$10x=5$
$x=\frac{5}{10}$
$x=\frac{1}{2}$
Check the answer.
4($\frac{1}{2}$)+8($\frac{1}{2}$)-2($\frac{1}{2}$)=20-15
2+4-1=20-15
6-1=5
5=5
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 - Section 2.3 - Solving Linear Equations - Exercise Set - Page 141: 2
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