Answer
$-1.05x-8.4$
Work Step by Step
We simplify by removing the parentheses and combining the like terms as follows:
$$
0.45(x + 3) - 0.75(2x + 13)=0.45x+1.35-1.5x-9.75\\
=-1.05x-8.4
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise - Page 218: 77
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