方程(3y-1)/-(5y-7)=1怎么做
问题描述:
方程(3y-1)/-(5y-7)=1怎么做
答
3y-1=-(5y-7),
8y=8,
y=1,
验根正确.
方程(3y-1)/-(5y-7)=1怎么做
3y-1=-(5y-7),
8y=8,
y=1,
验根正确.