Answer
$2x+3y=\frac{1}{5}$
Work Step by Step
When $x=\frac{2}{5}$ and $y=-\frac{1}{5}$:
$2x+3y$
$=2\times(\frac{2}{5})+3\times(-\frac{1}{5})$
$=\frac{2}{1}\times\frac{2}{5}-\frac{3}{1}\times\frac{1}{5}$
$=\frac{4}{5}-\frac{3}{5}$
$=\frac{1}{5}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 7 - Cumulative Review - Page 529: 16
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