急,解一个初二分式方程题,
问题描述:
急,解一个初二分式方程题,
30/(x-6)÷30/(50-x-6)=1.2
答
30/(x-6)÷30/(50-x-6)=1.2
{(30/x-6)}*{(50-x-6)/30}=1.2
50-x-6/x-6=1.2
50-x-6=1.2x-7.2
2.2x=51.2
x=24