Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.1 - Linear Equations in One Variable - Exercise Set: 7

Answer

$x = 10$

Work Step by Step

$5x - 4 = 26 + 2x$ $5x - 4 - 2x = 26 + 2x - 2x$ $5x - 2x - 4 = 26$ $3x - 4 = 26$ $3x - 4 + 4 = 26 + 4$ $3x = 30$ $3x\div3 = 30\div3$ $x = 10$ Check: $5(10) - 4 = 26 + 2(10)$ $50 - 4 = 26 + 20$ $46 = 46$
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