a) (3x+5)+(8 x + 11=17
б) 19-5(3х-1) = 9
в) 7x-4=x- 16
г) 13-5х=8 - 2x
3у-(5-y=11
e) (8х+11) -13 = 9х-5
3) 30+5(х -1)=35х-25​