(x+35)-(x+20)=(x+20)*0.25 现在就要
问题描述:
(x+35)-(x+20)=(x+20)*0.25 现在就要
答
15=(x+20)*0.25
x+20=4*15=60
x=40
答
(x+35)-(x+20)=(x+20)*0.25
15=(x+20)*0.25
60=X+20
X=40
答
(x+35)-(x+20)=(x+20)*0.25
x+35-x-20=0.25x+5
0.25x=35-20-5
0.25x=10
x=40
答
x+35-x-20=0.25x+5
15-5=0.25x
0.25x=10
x=40