Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 3 - Section 3.2 - Problem Solving and Business Applications Using Systems of Equations - Exercise Set - Page 206: 39

Answer

$x=6,y=11$

Work Step by Step

As per the statement: $x+y=17$ and $2x+4y=56$ After plugging the value of variable $x$ after simplify from equation first in the second equation, then we get $2(17-y)+4y=56=1780 \implies 2y=22$ or, $y=11$ Now, $x+11=17 \implies x=6$ Thus, $x=6,y=11$
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