帮我解几道分式方程

问题描述:

帮我解几道分式方程
(1)150/(X+3)=3/4*150/(X-3)
(2)270/X=207/2.5X+4.5
(3)48/X=45/(X-5%)

(1)(150/(x+3))/(150/(x-3))=3/4 (150/(x+3))*((x-3)/150)=3/4(x-3)/(x+3)=3/44(x-3)=3(x+3)4x-12=3x+9x=21(2)270/X-207/2.5x=4.5( ( 207*2.5x)-207x)/2.5x^2=4.5 468x/2.5x^...