Question

How do you evaluate `15- ( 6- 4) ( - 2)`?

Answer 1

The answer is 19

Explanation:

`15-(6-4)(-2) = 15-(2)(-2)=15-2*-2`
A positive times a negative is a negative, so `15-2*-2=15--4`
Subtracting a negative is the same as adding a positive, so `15--4=15+4=19`