Answer
x=$\frac{72}{5}$
Work Step by Step
Given:
2x+3y=144 => 3y=144-2x => y=48-$\frac{2}{3}$x
y-x=24 => y=24+x
48-$\frac{2}{3}$x=24+x => 48-24=$\frac{2}{3}$x+X => 24=$\frac{5}{3}$x => x=$\frac{72}{5}$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 6 - Systems of Equations and Inequalities - 6-2 Solving Systems Using Substitution - Standardized Test Prep - Page 373: 44
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