Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 34: 34

-18

There are two key things to note here. First, it is important to remember that subtracting a negative is the same as addition. Thus, it follows that: -29-(-11)=-29+11 Second, we must recall that a negative becomes more positive when a positive number is added to it. Thus, we obtain: -29+11=-18