(6x+20)/10x=2/(5-2)
问题描述:
(6x+20)/10x=2/(5-2)
答
(6x+20)/10x=2/3
6x+20=20X/3
3(6x+20)=20X
18X+60=20X
2X=60
X=30
答
x=30
答
(6x+20)/10x=2/(5-2)
(6x+20)/10x=2/3
2*10x=3*(6x+20)
20x=18x+60
20x-18x=60
2x=60
x=30