Answer
$x = 39$
Work Step by Step
1. Cross multiply:
$7(x-9) = 5(x+3)$
2. Expand and solve
$7x - 63 = 5x + 15$
$7x - 5x - 63 - 15 = 0$
$2x - 78 = 0$
$2(x- 39) = 0$
$x - 39 = 0$
$x = 39$
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 - 7.5 - Fractional Equations and Problem Solving - Problem Set 7.5 - Page 306: 31
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