Answer
x=1
Work Step by Step
6=-4(1-x)+3(x+1)
6=-4(1)-4(-x)+3(x)+3(1)
6=-4+4x+3x+3
6=(4x+3x)+(3-4)
6=7x-1
6+1=7x
7=7x
$\frac{7}{7}$=x
1=x
x=1
Check the answer.
6=-4(1-1)+3(1+1)
6=-4(0)+3(2)
6=0+6
6=6
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: 27
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