(x+35)-(x+20)=(x+20)*0.25 现在就要
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(x+35)-(x+20)=(x+20)*0.25现在就要(x+35)-(x+20)=(x+20)*0.25现在就要(x+35)-(x+20)=(x+20)*0.25现在就要(x+35)-(x+20)
(x+35)-(x+20)=(x+20)*0.25 现在就要
(x+35)-(x+20)=(x+20)*0.25 现在就要
(x+35)-(x+20)=(x+20)*0.25 现在就要
(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
x+35-x-20=0.25x+5
15-5=0.25x
0.25x=10
x=40
(x+35)-(x+20)=(x+20)*0.25
15=(x+20)*0.25
60=X+20
X=40
15=(x+20)*0.25
x+20=4*15=60
x=40
x-20%x=45+20%x
x+x²=20,x=?
x - 15%x+20%x=23.
x-0.3x-0.5x=20
0.88(X+20%X)=X+84
X-30%X+8-X=20
x*x*(1/4)=20x
x(x-20)=x+10
30%x=50%x-20x
(x+35)-(x+20)=(x+20)*0.25 现在就要
35%x=20%x-6 x=?
1/2x+35+1/3x+20=x
1/2x+35+1/3x+20=x
x+35 x+35-20 x+35 x+35-20
20%x+20%x×30%x-20%x=4.5
(35-20)*1.5%*x+x=1323
[35-20]*1.5x+x=1323
(x-35)/9=(x+20)/14