Answer:
D.) x = 3
Step-by-step explanation:
4 + 3x = 2(3x - 7) + 9
4 + 3x = 6x - 14 + 9
3x - 6x = 9 - 14 - 4
-3x = -9
x = -(-9)/3
x = 9/3
x = 3
