Найду корень уравнения: 3(x-3)=19(x-19)
3*(x - 3) = 19*(x - 19)
3*(x-3) = 19*(x-19)
3*x-3*3 = 19*(x-19)
3*x-3*3 = 19*x-19*19
x = -352 / (-16)
x1 = 22
x1 = 22.0