Answer
$x=\frac{b-1}{-a}$
Work Step by Step
$1-ax=b$ for $a\ne0$
First, we subtract both sides by 1.
$1-1-ax=b-1$
$-ax=b-1$
Now, we divide both sides by -a.
$\frac{-ax}{-a}=\frac{b-1}{-a}$
$x=\frac{b-1}{-a}$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 91: 72
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