1/3X+1/4X+18=3/4X 怎么解

问题描述:

1/3X+1/4X+18=3/4X 怎么解

x/3+x/4+18=3x/4
3x/4-x/4-x/3=18
x/2-x/3=18
3x/6-2x/6=18
x/6=18
x=108