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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 1: Q. 745 (page 161)

Simplify.
$43 m + (- 12 n) + (- 16 m) + (- 9 n)$

Short Answer

Expert verified

The solution is $27 m - 21 n$ .

Step by step solution

01

Step 1. Given information

Expression: $43 m + (- 12 n) + (- 16 m) + (- 9 n)$

02

Step 2. Calculation

We have, $43 m + (- 12 n) + (- 16 m) + (- 9 n)$

$鈬� 43 m + (- 16 m) + (- 12 n) + (- 9 n)$

$鈬� (43 m - 16 m) + (- 12 n - 9 n)$

$鈬� 27 m - 21 n$

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