Question

Solve: 3x − x + 2 = 12

Answer 1

First, you can combine like terms on the same sides:
3x − x + 2 = 12
The two x terms can be combined:
2x + 2 = 12
Now you subtract 2 from each side to isolate x:
2x = 10
Now divide by 2 to find x:
x=5