Answer:
a = 3/4
Step-by-step explanation:
[tex]\frac{2}{3} a - \frac{1}{6} = \frac{1}{3}[/tex]
=> 2/3 a = (1/3) + (1/6)
=> 2/3 a = 1/2
=> a = (1/2) / (2/3)
=> a = 3/4
Hope this helps!