解:3/4x+1/4=3/83/4x=3/8-1/43/4x=1/8x=1/8÷3/4x=1/6
3/4 x=3/8-1/4.3/4 X=3/8-2/8.3/4 X=1/8. X=1/6.
3/4x+1/4=3/8解:6+2x=3x x=6