Question

Evaluate. -15 +7-(-8)

The answer options are

16

0

-16

-3

Answer 1

To evaluate -15 + 7 - (-8), we can simplify the expression by first removing the double negative.

-15 + 7 + 8 = 0

Therefore, the answer is 0.

Explanation:

Answer 2

The answer is:

0

Work/explanation:

Remember the integer rule,

`\bullet\phantom{4444}\sf{a-(-b)=a+b}`

Similarly

`\sf{-15+7-(-8)}`

`\sf{-15+15}`

Simplify fully.

`\sf{0}`

Therefore, the answer is 0.