1/5【3-(3/2)x】-3【2-(5/4)x】=36
问题描述:
1/5【3-(3/2)x】-3【2-(5/4)x】=36
答
1/5[3-(3/2)x]-3[2-(5/4)x]=36
[3/5-(3/10)x]-[6-(15/4)x]=36
(15/4)x-(3/10)x=36+6-(3/5)
(69/20)x=207/5
x=(207/5)/(69/20)
x=12