Answer
$4x-10y$
Work Step by Step
We simplify by removing the parentheses and then add the like terms as follows:
$$
(5x + 3y) + (-3x - 3y) + (-x - 6y) + (3x - 4y)\\
=5x + 3y -3x - 3y -x - 6y + 3x - 4y\\
=4x-10y
.$$
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 5.3 - Addition and Subtraction of Polynomials - Exercise - Page 221: 30
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