1) 0.3-2(X+1)=0.4X+0.1
0.3- 2x-2= 0.4x + 0.1
-2х-0.4х=-0.3+2+0.1
-2.4х= 2.4
х=2.4/(-2.4)
х=-1.
2) 6X-3.2=7X-3(2X-2.5)
6х-3.2=7х-6х+7.5
6х-7х+6х=3.2+7.5
5х=10.7
х= 10.7/5
х=2.14
3) 5(X-1)+5(3X+2)=6X+8
5х-5+15х+10=6х+8
5х-15х-6х=5-10+8
16х= 3
х= 3/16
х= 0.1875
