How do you evaluate 80+ ( - 63) ?

1 Answer
Mar 29, 2017

It's basically saying 80-63, so the answer is 17.

To put it visually:

< -63 ... 0 ... 80 >

Pretend that's a timeline. They want you to ADD -63 to 80, so you would count down from -63 to the right of the timeline--and you would land on 17.

So 80-63=17