Question

what must be substracted from -12 to get 8​

Answer 1

Answer:

20

Step-by-step explanation:

-12+x=8

x=8+12

x=20

Therefore answer is 20

Answer 2

Answer:

-20 must be subtracted from -12 to get 8

Step-by-step explanation:

Let the unknown number be x

-12-x=8

-12-8=x[x is transposed to the other side]

-20=x

Let's verify: -12-(-20)

-12+20

=8