# How do you simplify -3--7?

Mar 8, 2018

4

#### Explanation:

When a problem is set up that way $\left(- 3 - - 7\right)$, the two negatives (in between -3 and -7) turn into a positive.

So the problem would be written as $- 3 + 7$

Which equals 4.

You can also solve the problem on a number line