Question

Which expression is equivalent to |8|+|-7|?

Answer 1

Answer: 8+7

The | | symbol means how far it is from 0 on the number line. -7 is still only 7 away from 0. Now, if you have -|8|, you apply that - to the 8, so then it's -8.

Answer 2

Answer: 15

Explanation:

|8|+|-7|=

8+7=15 ==> anything inside the absolute value symbol is always positive.