2（x+3)/5=3/2x-2(x-7)/3怎么解?
问题描述：
2（x+3)/5=3/2x-2(x-7)/3怎么解?
答
两边乘30
12(x+3)=45x-20(x-7)
12x+36=45x-20x+140
45x-20x-12x=36-140
13x=-104
x=-8