Answer
$x$
Work Step by Step
Adding/Subtracting similar fractions involves adding/subtracting the numerators and copying the common denominator. Therefore,
$$
\frac{7x}{8}+\frac{x}{8}=\frac{7x+x}{8}=\frac{8x}{8}=x
.$$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-3 Dividing Polynomials - Mixed Review - Page 671: 70
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