Answer
x=-7
y=6
Solution (-7,6)
Work Step by Step
Given: x+3y=11 and 2x+3y=4
(x+3y)-(2x+3y)=11-4
-x=7 => x=-7
-7+3y=11 => 3y=18 -> y=6
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 - Mixed Review - Page 388: 32
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