Question

aswer correctly pls fast

Answer 1

Answer:

a. 6

b. 16

Step-by-step explanation:

let input = output be 'x'

a.

x×3-12= x

3x-12= x

2x=12

x= 6

b.

x×6-80=x

6x- 80=x

5x=80

x=16