Answer
$$1.3 x-9.$$
Work Step by Step
We simplify by removing the parentheses and then combining the like terms as follows: $$ 0.5x + (x- 1) - (0.2x + 8) =0.5x + x- 1- 0.2x - 8\\ =1.3 x-9.$$
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: 54
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