Answer:
x=16/9
Step-by-step explanation:
1/3+7=3(x+2/3)
1/3+21/3=3x+6/3
22/3=3x+2
3x=22/3-2
3x=22/3-6/3
3x=16/3
x=(16/3)/3
x=(16/3)(1/3)