Найду корень уравнения: 5-(x-2) =4x+17
5 + -x + 2 = 4*x + 17
5-(x-2) = 4*x+17
5-x+2 = 4*x+17
7 - x = 4*x+17
x = 10 / (-5)
x1 = -2
x1 = -2.0