9(2x-1)-5(11-x)=3(x+4)
18х-9-55+5х=3х+12 18х+5х-3х=9+55+12 20х=76 х=76:20 х=3.8
18x-9-55+5x-3x-12=0 20x-76=0 20X=76 X=3,8