Algebra 1

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


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
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