Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 6 - Algebra: Equations and Inequalities - 6.1 Algebraic Expressions and Formulas - Exercise Set 6.1 - Page 347: 55

Answer

8y - 12

Work Step by Step

5(3y - 2) - (7y + 2) Use the distributive property to remove the parentheses 5.3y - 5.2 -7y -2 Multiply 15y-10-7y -2 Group like terms (15y - 7y) -(10+2) combine like terms (15y-7y) = (15-7)y = 8y, (10+2) = 12 8y - 12
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