Q8. - Algebra 1

Question

Find each sum or difference.

$-47-13$

Step-by-Step Solution

Answer

The difference of numbers is – 60.

Step 1. Rewrite as an addition.

To subtract 13, we will add its inverse. So, $-47–13=(-47)+(-13)$

Step 2. Determine to add or subtract.

Since – 47 and – 13 both are of the same sign. So we will add them.

Step 3. Determine the sign.

We will add the absolute values. Since both – 47 and – 13 are negative. So the result will also be a negative value.

 We can write $(-47)+(-13)=-\left(\right|-47|+|-13\left|\right)$

Step 4. Simplify.

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

So, $-\left(\right|-47|+|-13\left|\right)=- (47+13)=-60$.