How do you evaluate (+ 65) - ( - 13) ?

1 Answer
Mar 29, 2017

78

Explanation:

We know that there is -1 before the parenthesis. So we multiply the term in parenthesis by -1

(+65)-1(-13)

Remember the following

+*+=+

-*- =-

+*- =-

So

(+65)+13

65+13

78