А)-2х+1=-х-6
- 2x+x=-6-1
-x=-7
x=7
В)2(0,6х+1,85)=1,3х+0,7
1.2x+3.7=1.3x+0.7
1.2x-1.3x=0.7-3.7
-0.1x=-3
x=0,3
А)-2х+1=-х-6
- 2x+x=-6-1
-x=-7
x=7
В)2(0,6х+1,85)=1,3х+0,7
1.2x+3.7=1.3x+0.7
1.2x-1.3x=0.7-3.7
-0.1x=-3
x=0,3