College Algebra 7th Edition

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: 23

Answer

(3, -1)

Work Step by Step

Add both equations together 2x - 3y = 9 4x + 3y = 9 6x = 18 x = 3 Plug x = 3 into 2x - 3y = 9 2(3) - 3y = 9 -3y = 3 y = -1 Solution is (3, -1)
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