explain (-20)-(-11) — step-by-step solution

Let's evaluate:

- 20 - (-11)

ⓘSubtracting a negative number is adding it, two minus signs make a plus:

- (-11)

11

- 20 + 11

ⓘStart from

-20

and move forward

11

on the number line, getting closer to zero

▶Result:

-9