Answer
(4, -6)
Work Step by Step
Add both equations together
3x + 2y = 0
-x - 2y = 8
2x = 8
x = 4
Plug x = 4 into -x - 2y = 8
-4 - 2y = 8
-2y = 12
y = -6
Solution is (4, -6)
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 5, Systems of Equations and Inequalities - Section 5.1 - Systems of Linear Equations in Two Variations - 5.1 Exercises - Page 446: 24
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