Answer
$3a+10$
Work Step by Step
By removing the parentheses and adding the like terms, we get
$$
(5a - 5b + 7) - (2a- 5b - 3)\\
= 5a - 5b + 7 - 2a+ 5b +3=3a+10
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Test - Page 232: 7
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