Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Cumulative Review: 16

Answer

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

Work Step by Step

When $x=\frac{2}{5}$ and $y=-\frac{1}{5}$: $2x+3y$ $=2\times(\frac{2}{5})+3\times(-\frac{1}{5})$ $=\frac{2}{1}\times\frac{2}{5}-\frac{3}{1}\times\frac{1}{5}$ $=\frac{4}{5}-\frac{3}{5}$ $=\frac{1}{5}$
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