Answer:
it is x=15
Step-by-step explanation:
I hope this helps :>
x = 15
3/x + 2(1/6 - 1/x) = 2/5
3/x + 1/3 - 2/x = 2/5
(3/x - 2/x) = 2/5 - 1/3 = 6/15 - 5/15
1/x = 1/15
