1/4x+180:x-(1/4x+180)=5:3怎么解
问题描述：
1/4x+180:x-(1/4x+180)=5:3怎么解
答
(1/4x+180):[x-(1/4x+180)]=5:3
(1/4x+180):(3/4x-180)=5:3
5(3/4x-180)=3(1/4x+180)
(15/4-3/4)x=3*180+5*180
3x=180*8
x=480