2x(100-y)=3(100-x)y 如何算出x詳細計算過程?

Sol
2x(100－y)=3(100－x)y
200x－2xy=300y－3xy
200x+xy=300y
x(200+y)=300y
x=300y/(200+y)

2x(100-y)=3(100-x)y
2x(100-y)=300y-3xy
x[2(100-y)+3y]=300y
x=300y/(200-2y+3y)
x=300y/(200+y)

2x(100-y)=3(100-x)y 如何算出x詳細計算過程?

詳細過程如下圖