Answer
$32$
Work Step by Step
The subtrahend is negative so replace $\color{blue}{-(-13)}$ with $\color{red}{+13}$ to obtain:
$19\color{blue}{-(-13)}=19\color{red}{+13}=32$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 1 - Solving Linear Equations - Maintaining Mathematical Proficiency - Page 1: 4
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