Answer
$x=\frac{-(a^2+b^2)}{(a-b)}$
Work Step by Step
Bring x to one side and factor out $(a-b)$.
$ax-bx=-a^2-b^2$
$x(a-b)=-a^2-b^2$
$x(a-b)=-(a^2+b^2)$
Solve for x.
$x=\frac{-(a^2+b^2)}{(a-b)}$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 1 - Section 1.1 - Linear Equations - 1.1 Exercises - Page 85: 56
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