Найду корень уравнения: 2,4=12x-3,6
12/5 = 12*x - 18/5
(12/5) = 12*x-(18/5)
12/5 = 12*x-(18/5)
12/5 = 12*x-18/5
x = -6 / (-12)
x1 = 1/2
x1 = 0.5