Answer:
Привет ебать тебе вьебать?
Answer: itself
Explanation:
a/b= 2/15
3a +b
----------- = 7/5
b
5(3a+b)=7 x b
15a +5b = 7b
15a = 7b-5b
15a = 2b
15a/2b = 1
a/b x 15/2 =1
we get,
a/b = 2/15
hope you have no doubt now !
ummmmmmmmm .........
maybe it can be confidence