Answer
(3, -1)
Work Step by Step
Subtract the first equation by the second
2x + y = 5
x + y = 2
x = 3
Plug x = 3 into x + y = 2
3 + y = 2
y = -1
Solution is (3, -1)
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: 14
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