Решите уравнение 1-1.7х-(0.8х+2)=3.4
1-1.7х-(0.8х+2)=3.4 1-1.7х-0.8х-2=3.4 1-2-3.4=1.7х+0.8х -4.4=2.5х х=-4.4:2.5 х=-1,76