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Chapter 1: Q1. (page 12)

Find each sum or difference.

-8+13

Short Answer

Expert verified

The sum of numbers is 5.

Step by step solution

01

Step 1. Plot – 8 on a number line.

02

Step 2. Determine side to go.

After – 8 we have +13, which means we have to go 13 units to the right.

03

Step 3. On graph move 13 units to the right.

04

Step 4. Interpret the graph.

On the graph, we see that 13 units right from -8 are 5.
This means – 8 + 13 = 5.

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