Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 4 - Section 4.1 - Solving Systems of Linear Equations in Two Variables - Exercise Set - Page 212: 38

Answer

Ordered Pair Solution $(5,2)$

Work Step by Step

We have $$(1)-2x+y=-8$$ $$(2)x+3y =11$$ (1) + 2(2) $$-2x+2x+y+6y = -8+22$$ $$7y = 14$$ $$y=2$$ Solving $x$ $$x=11-3*2 = 5$$ Ordered Pair Solution $(5,2)$
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