6x+2分之3x=9

问题描述:

6x+2分之3x=9

3x/(6x+2)=9
3x=9(6x+2)
3x=54x+18
51x=-18
x=-6/17

(6+3/2)x=9
(15/2)x=9
x=9÷(15/2)
x=6/5