Intermediate Algebra for College Students (7th Edition)

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

Chapter 1 - Test: 26

Answer

$x=23, y=49$

Work Step by Step

1, $y=2x+3$ 2. $x+y=72$ $y=72-x$ Put the second one in the first one. $72-x=2x+3$ $72-3=3x$ $\frac{69}{3}=x$ $x=23$ $y=72-23$ $y=49$
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