Answer
$(-3,-1).$
Work Step by Step
$x+3y=-6\\2x+6y=-12$.
$(2x+6y)-(2x+4y)=-12-(-10)\\2y=-2\\y=-1$
Thus $2x+6(-1)=-12\\2x=-6\\x=-3$.
Thus the solution is $(-3,-1).$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - Cumulative Test for Chapters 9-11 - Page 844: 2
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