Question

若x-y分之x+y=3分之4，则y分之x=_______

要过程，请尽快，谢谢

Answer 1

(x+y)/(x-y)=(x-y+2y)/(x-y)=1+2y/(x-y)=4/3

2y/(x-y)=1/3
(x-y)/2y=3
x-y=6y x=7y

x/y=7y/y=7
希望能帮你忙，不懂请追问，懂了请采纳，谢谢