0.2 x-0.6-0.3x = 1

0.2 x-0.6-0.3x = 1

0.2 x-0.5 x = 1.6-0.3x = 1
5x-2(1.6-0.3x)=1
5x-3.2+0.6x=1
5.6x=4.2
x=4.2÷5.6
x=3/4