Question

When 10 is added to a certain number and the result is multiplied by 2, the answer is 40.

Answer 1

Answer:

15

Step-by-step explanation:

x+10*2=40

x*2=40-10

x*2=30

x=30is divided2

x=15

Answer 2

Answer:

10

Step-by-step explanation:

let the value be X

X+10=2X

10=x

the result multiplied by 2 so 20