Answer
$-1$
Work Step by Step
We first factor the numerator of the fraction:
Step 1: $\frac{7-x}{x-7}$
Step 2: $\frac{-1(x-7)}{(x-7)}$
Finally, we cancel out the common factor of $x-7$ to obtain:
Step 3: $\frac{-1}{1}$
Step 4: $-1$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 7 - Algebraic Fractions - 7.1 - Simplifying Algebraic Fractions - Problem Set 7.1 - Page 281: 19
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