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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 8: Q. 8.118 (page 971)

Solve:
$\frac{2}{3} + \frac{1}{5} = \frac{1}{x}$

Short Answer

Expert verified

$x = \frac{15}{13}$

Step by step solution

Step 1. Given information

$\frac{2}{3} + \frac{1}{5} = \frac{1}{x}$

Step 2. Solving the equation by cross multiplication

$\frac{2}{3} + \frac{1}{5} = \frac{1}{x} \frac{10 + 3}{15} = \frac{1}{x} \frac{13}{15} = \frac{1}{x} x = \frac{15}{13}$

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Solve:23+15=1x

Short Answer

Step by step solution

Step 1. Given information

Step 2. Solving the equation by cross multiplication

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Solve:
$\frac{2}{3} + \frac{1}{5} = \frac{1}{x}$