Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 4 - Review - Page 328: 21

Answer

(-6, 2)

Work Step by Step

Add the equations to eliminate a variable: 2x + 3y = -6 x - 3y = -12 = 3x = -18 x = -6 Let x = -6 in one equation to solve for y: 2(-6) + 3y = -6 -12 + 3y = -6 3y = 6 y = 2 Check the solution (-6, 2) in the other equation: -6 - 3(2) = -12 -6 - 6 = -12 -12 = -12; True
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