Answer
$-23a$
Work Step by Step
$... (-8)a+(-15)a=...$
Apply the distributive property,
$...=[-8+(-15)]a=\quad$
... same signs in brackets. Keep the sign, add the absolute values...
$=-(8+15)a$
= $-23a$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.5 - Addition of Real Numbers - Exercise Set - Page 63: 51
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
