## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 2 - Solving Equations - Get Ready!: 5

8

#### Work Step by Step

A key rule to remember is that subtracting a negative is the same as addition. Thus, we find: $-5-(-13)=-5+13$ We must recall that a negative becomes more positive when a positive number is added to it. Thus, we obtain: -5+13=8

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