Answer
x=25
Work Step by Step
0.3x-4=0.1(x+10)
0.3x-4=0.1x+1
0.3x-0.1x-4=1
0.2x-4=1
0.2x=1+4
0.2x=5
0.2x(5)=5(5)
x=25
Check the answer.
0.3(25)-4=0.1(25+10)
7.5-4=0.1(35)
3.5=3.5
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 142: 51
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