Question

What is the answer to 3x-12=48

Answer 1

Best that you write: "Solve 3x-12=48 for x."
This makes clear what the goal of the problem is.

Then 3x=60, and x = 20.

Answer 2

3x — 12 = 48
3x = 48 + 12
3x = 60
x = 60/3
x = 20