Question

Please answer asap Why does -8 - -10 equal 2 ?

Answer 1

You have the next equation:

$-8-(-10)=2$

When you subtract a negative number, it leads you to an addition. In other words, a minus sign followed by a negative sign, turns the two signs into a plus sign:

$-(-10)\text{ becomes +10}$

Then, the equation will become into:

$-8+10=2$