Answer
(3, -2)
Work Step by Step
Plug 3x - y = 11 into 2x + 5y = -4
y = 3x - 11
2x + 5(3x - 11) = -4
2x + 15x - 55 = -4
17x = 51
x = 3
Plug x into y = 3x - 11
y = 3 $\times$ 3 - 11
y = 9 - 11
y = -2
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 527: 36
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