20(X-2)/X+2/(X/60)=36 怎么解
问题描述:
20(X-2)/X+2/(X/60)=36 怎么解
答
两边同除以2
10(x-2)/x+60/x=18
(10x-20+60)/x=18
10x+40=18x
=8x=40
x=5
答
20(X-2)/X+2/(X/60)=36
20(X-2)+120=36 X
20X+80=36X
X=5
答
两边除以2
10(x-2)/x+60/x=18
(10x-20+60)/x=18
10x+40=18x
=8x=40
x=5