Which answer choice is a solution to the equation 3x - 2 = 7?
3
9
7

Answer:
x = 3
Step-by-step explanation:
3x - 2 = 7
send - 2 to the other side so
7 + 2 = 9
3x = 9
divide 9 by 3 so
9/3 = 3
x = 3