Answer
x=2
y=-1
Work Step by Step
Given: 4x+5y=3
3x-2y=8
3x-8=2y => y=$\frac{3}{2}$x-4
Substitution: 4x+5($\frac{3}{2}$x-4)=3
4x+7.5x-20=3
11.5x=23
x=2
3(2)-2y=8
6-2y=8
-2=2y => y=-1
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 - 6-4 Application of Linear Systems - Practice and Problem-Solving Exercises - Page 387: 14
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