1/2(x-1)=2-1/5(x+2)
5(x-1)=20-2(x+2)
5x-5=20-2x-4
7x=21
x=3
2/3x-8x=3-1/2x
4x-48x=18-3x
-41x=18
x=-18/41
(x+1)/0.2-(3x-1)/0.4=1
5(x+1)-2.5(3x-1)=1
5x+5-7.5x+2.5=1
-2.5x=-6.5
x=13/5=2.6
1/2(x-1)=2-1/5(x+2)
5(x-1)=20-2(x+2)
5x-5=20-2x-4
7x=21
x=3
2/3x-8x=3-1/2x
4x-48x=18-3x
-41x=18
x=-18/41
(x+1)/0.2-(3x-1)/0.4=1
5(x+1)-2.5(3x-1)=1
5x+5-7.5x+2.5=1
-2.5x=-6.5
x=13/5=2.6