решите пожалуйста уравнение : 1) а) 3х+2=0
2)а) 8х -5 =х-40
б)7t+21=t-3
в)9+13y=35+26y
3) а)6x+(3x-2 )=14
б)8у-(7у-142)=51
4)(6х+1)-(3-2х)=14
б) (6-2х)+4= -5х-3
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