120％x - 11/12x = 6.5 解方程11/12 = 十二分之十一
问题描述：
120％x - 11/12x = 6.5 解方程
11/12 = 十二分之十一
答
120％x - 11/12x = 6.5
6/5x-11/12x=6.5
72x-55x=390
17x=390
x=390/17
答
两边*12
12*1.2x-11x=6.5*12
14.4x-11x=78
x=78/3.4
x=390/14
x=195/7
答
120％x - 11/12x = 6.5
6/5x-11/12x=6.5
17/60x=78
x=390/17
答
120％x - 11/12x = 6.5
14.4x-11x=6.5×12
3.3x=78
x=260／11
答
120％x - 11/12x = 6.5
6/5x-11/12x=6.5
72x-55x=6.5*5*12
17x=390
x=390/17