Question

What must be added to –20 to get 20?

Answer 1

Answer:

40 is must added to -20 to get 20.

Step-by-step explanation:

let, the number be x.

a/q,

x+(-20) = 20

x - 20 = 20

x = 20 + 20 = 40

Answer 2

Answer:

40 is added to -20 to get 20