Introductory Algebra for College Students (7th Edition)

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

Chapter 1 - Section 1.4 - Basic Rules of Algebra - Exercise Set - Page 54: 85

Answer

Adding like terms results in a like term whose coefficient is the sum of the coefficients, and variable factor is equal to the two that are being added. (please see step-by-step for examples)

Work Step by Step

The process of combining like terms is similar to "adding apples": (two apples)+(three apples)=five apples. Adding like terms results in a like term whose coefficient is the sum of the coefficients, and variable factor is equal to the two that are being added. Examples: $5x+2x=(5+2)x=7x$ $32ab-25ab=32ab+(-25ab)=(32-25)ab=7ab$
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