Question

Which of the following is equal to -7?

5 + (- 2)
2 - 5
- 5 + 2
- 2 - 5

Answer 1

The answer is:

-2 - 5

Work/explanation:

Let's evaluate these expressions one by one :

5 + (-2) = 5 - 2 = 3

2 - 5 = -3

-5 + 2 = -3

- 2 - 5 = -7

Hence, -2- 5 is equal to -7.

Answer 2

-2-5

Explanation:

-2-5 is equal to -2 + (-5) which is -7