Chapter 9 - Basic Algebra - 9.2 Adding and Subtracting Signed Numbers - 9.2 Exercises - Page 638: 8

-1

To add $-3+2$, we can take the absolute value of both numbers. $|-3|=3$ $|2|=2$ These two numbers differ in absolute value by 1. We must add a negative sign in front of 1 because the number with the higher absolute value is negative, so the result will be negative. Therefore, $-3+2=-1$.