Question

What number must be subtracted from -5 for the difference to be -2

Answer 1

Let $X$ be an unknown number.

The equation will be the next

$-5 - X = -2$

After easy arithmetic operations we will have

$-5 - (-2) = -(-X)$ or

$-5+2 = X$ or

$-3 = X$

Thus, the answer is $X = -3$ .