Respuesta :
Answer:
x = 20
Step-by-step explanation:
To solve this, your goal should be to get x by itself in front of the equal sign. To do this, first add 12 to both sides of the equal sign. This gets rid of the -12 since -12 + 12 = 0.
3x - 12 + 12 = 48 + 12
3x = 60
The last step is to divide 3 from both sides.
3x / 3 = x.
60 / 3 = 20.
This leaves you with x = 20 which is the answer.
