Question

If in 7 years, sam would be 2 times old as she was 3 years ago. what is sams present age?

Answer 1

Answer: 13

Explanation:

We can represent this in an algebra equation

(x+7)=2(x-3)

(x+7)=2x-6

(x+7)=2x-6

-2x -2x

-x+7=-6

-7 -7

-x= -13

/-1 /-1

x=13