Answer
$x=1$
Work Step by Step
$3(5-x)=4(2x+1)$
$3(5)-3(x)=4(2x)+4(1)$
$15-3x=8x+4$
$15=8x+3x+4$
$15=11x+4$
$15-4=11x$
$11=11x$
$\frac{11}{11}=x$
$1=x$
$x=1$
Check the answer.
3(5-1)=4(2(1)+1)
3(4)=4(2+1)
12=4(3)
12=12
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: 19
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