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Chapter 1: Q7. (page 12)

Find each sum or difference.

50-82

Short Answer

Expert verified

The difference of numbers is 鈥� 32.

Step by step solution

01

Step 1. Rewrite as an addition.

To subtract 82, we will add its inverse. So, 50-82=50+(-82).

02

Determine to add or subtract.

Since 50 and 鈥� 82 are of opposite signs. So we will subtract them.

03

Step 3. Determine the sign.

Subtract the absolute values. Since, |鈥�82| is greater than |50|, so the result will be negative.

We can write50+(-82)=-(|-82|-|50|)

04

Step 4. Simplify.

We know that the absolute values of the non-zero numbers are always positive.

So, -(|-82|-|50|)=-(82鈥�50)=-32.

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