Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.1 - The Addition Property of Equality - Exercise Set - Page 122: 86



Work Step by Step

3[7x-2(5x-1)] First use the distributive property on the parentheses. 3[7x-2(5x)-2(-1)] Then multiply inside the brackets. 3[7x-10x+2] Then combine like terms inside the brackets. 3[-3x+2] Then use the distributive property on the brackets. 3(-3x)+3(2) -9x+6
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