Решите уравнение -19 -1,7x=47+3,8x

-1,7х+3,8х=47+18 3.8х+1.7х= 66 5.5х^2=66 х^2= 66:5.5 х^2=12

-19-1,7х =47+3,8х -1,7х-3,8х=47+19 -5,5х=66 -х=66/(5,5) -х=12 х=-12