Answer:
a=3/4
Step-by-step explanation:
2/3a -1/6 = 1/3
(multiply 6 to all the terms.)
12a/3 - 1 = 6/3 (-6/6 =-1)
4a - 1 = 2
4a = 3 (adding 1 to both sides)
a= 3/4 (dividing both sides by 4)