0.4x=0,4-2(x+2) 4x-5,5=5x-3(2x-11,5)
1)0.4х=0.4-2х-4
0.4х+2х=-3.6
2.4х=-3.6
х=-1.5
2)4х-5.5=5х-6х+34,5
4х-5х+6х=34.5+5.5
5х=40
х=8