Помогите розвязать: 0,2(х-2)-0,3(2х-3)
=0,2x-0,4-0,6x-0,9=-1,3-0,4x
0.2(х-2)-0.3(2х-3) 0.2х-0.4-(0.6х-0.6) 0.2х-0.4-0.6х+0.6 -0.4х-0.4+0.6 -0.4х+0.2 х=-0.4÷0.2 х=-2