Answer :
If Tim was 27 years old 9 years ago, that’s the same as 27 + 9 = x where x is his current age.
We can rearrange this and bring 9 to the other side.
27 = x - 9
The last option D is correct.
We can rearrange this and bring 9 to the other side.
27 = x - 9
The last option D is correct.