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Chapter 1: Q2. (page 12)

Find each sum or difference.

11+-19

Short Answer

Expert verified

The sum of numbers is 鈥�8.

Step by step solution

01

Step 1. Plot 11 on a number line.

02

Step 2. Determine side to go.

After 11 we have 鈥�19, which means we have to go 19 units to the left.

03

Step 3. On graph move 19 units to the left.

04

Step 4. Interpret the graph.

On the graph, we see that 19 units left from 11 is 鈥�8.
This means 11 + (鈥�19) = 鈥� 8.

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