Respuesta :
Hello There!
3x-6=12
3x=12+6
3x=18
x=6
Properties:
Addition property of equality and division property of equality
Hope it helps
Answer:
B
Step-by-step explanation:
You collect the like terms 3x=12+6 and make x the subject of the formula by dividing by 3 both sides 3x/3=18/3 thefore x=6