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: 11

Answer

(-3, 2)

Work Step by Step

Multiply the first equation by 2 6x - 4y = -26 Add to other equation 6x - 4y = -26 -6x + 5y = 28 y = 2 Plug y = 2 into -6x + 5y = 28 -6x + 5(2) = 28 -6x + 10 = 28 -6x = 18 x = -3 Solution is (-3, 2)
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