Question

Evaluate the expression −11−(−7−9) by rewriting the subtraction as addition

Answer 1

5

Explanation:

Let's rewrite this a bit.

`-11-(-7-9)=-11+7+9`

This is because there is a -1 before the expression inside the parentheses, so every sign is reversed.

Now we can add.

`-11+7+9=5`