Introductory Algebra for College Students (7th Edition)

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: 51

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
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