Question

Whoch expression is equivalent to -20 - (-4)​

Answer 1

D

Explanation:

-(-4)=+4

so it is -20+4

Answer 2

D) -20 + 4 is the answer.

Explanation:

1) Record the terms .

`4 - 20`

2) Use this rule: a - b = -(b - a)

`- (20 - 4)`

3) Use algorithm method.

(see the attached picture)

4) After simplifying, we have:

`-(20 - 4) = - 16`

5) therefor, -20 + 4 = -16

`- 16`