Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises - Page 33: 15

Answer

$7x+5$

Work Step by Step

$(12x-7)-(5x-12)$ Distribute the minus sign: $=12x-7-5x+12$ Collect the like terms: $=7x+5$
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