Answer:
12
Step-by-step explanation:
3x - 3 = 2x + 9
3x - 2x = 9 + 3
x = 12
Answer: X=12
Step-by-step explanation: Distribute 3 into (x-1) to make 3x - 3 = 2x + 9, subtract 2x from both side making 1x - 3 = 9 and then add three on both sides giving you your answer 1x = 12 or just x= 12
