解方程:1.2分之0.1x-0.4-1=0.3分之0.2x+1

解方程:1.2分之0.1x-0.4-1=0.3分之0.2x+1


1 / 12x - 7 / 5 = 2 / 3x + 1
(5 / 60 - 40 / 60) x = 84 / 60 + 1
- 35 / 60x = 144 / 60
x = 144 / 35