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: 9

Answer

(2, 1)

Work Step by Step

3x + 4y = 10 x - 4y = -2 Add both equations together -4x = -8 x = 2 Plug x = 2 into x - 4y = -2 2 - 4y = -2 4 = 4y y = 1 Solution is (2, 1)
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