1)1\5х+9\10=1\15-3\10х 2)7\18-3\4х=5\6х+4\5
3)3\7х-5\12=-11\14х-3\4
4)1+7(15-3х)-(2х+48)=-34(5-х)+18(1-2х)
Помогите пожалуйста решить
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