3(y-10)-2(y+15)=0 解方程

问题描述:

3(y-10)-2(y+15)=0 解方程

3(y-10)-2(y+15)=0
3y-30-2y-30=0
3y-2y-30-30=0
y-60=0
y=60

3(y-10)-2(y+15)=0
3y-30-2y-30=0
y-60=0
y=60