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: 29

Answer

(1, 3)

Work Step by Step

Multiply the second equation by 2 10x - 2y = 4 Add to the first equation x + 2y = 7 10x - 2y = 4 11x = 11 x = 1 Plug x = 1 into x + 2y = 7 1 + 2y = 7 2y = 6 y = 3 Solution is (1, 3)
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