решите уравнение 

а) 5х=3,15

б) 23х=22,747

в) 3х= 0,0087

г)9х-3х=10,2

д)3х+17х =165

е)2х+2х =6 

ж)18х=4,2+4х

з) 33х =56-7х 

и) 19х+36=37х
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