Answer:
x = 15
Explanation:
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
it is x=15
I hope this helps :>
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