2/5x+20=1/2x怎么解答
问题描述:
2/5x+20=1/2x怎么解答
答
2/5x+20=1/2x
(1/2-2/5)x=20
x/10=20
x=200
2/5x+20=1/2x怎么解答
2/5x+20=1/2x
(1/2-2/5)x=20
x/10=20
x=200