100/40x+(100/40x-10)+30=
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100/40x+(100/40x-10)+30=100/40x+(100/40x-10)+30=100/40x+(100/40x-10)+30=5x+205X+20
100/40x+(100/40x-10)+30=
100/40x+(100/40x-10)+30=
100/40x+(100/40x-10)+30=
5x+20
5X+20
x-2=(104-x)+2 6x-59=10x-75 (x+10)+(x-15)=280-x4(x-62)=x-38 60x-40=(60+20)*(x-5) 32x+32*0.5-25x+64x=24x+496-49x x+15=3*(109-x ) 5(3x-1.4)=2(6x-0.5) 3(x+0.9)=5(x-1.7) 13x-4(2x+5)=17(x-2)-4(2x-1) (13x+8)/3=5x-1x-60=2[(3561-x)+100]+1 (x+9)+12=2[(x-9)-1
200x+170(70-x)+100(40-x)+x-10=
(X+X)+(X-X)+(X*X)+(X/X)=100
(60+x)(300-10x)-40(300-10x)怎么化简成-10X^2+100x+6000
40%x+40%x-21=100%x
解方程26(8-X)-6=150 4x-2(x+20)=40 4x-2(100-x)=40 4x-2(50-x)=20 9(x-8)=8x=10
25%x=100 2x+30%x=9.2 x—75%=1025%x=100 2x+30%x=9.2 x—75%=10 60%x+25=40
(X/80+X/100 +5)*40=X,
x-40-3/5x=100(求x,
解方程;x-1/3x-40%x=100
x*(1+40/100)*0.8-x=15 X=?
40*(x-100)=100+30x
10x+x*x=40
X+X-10+X+8=100
求x:x(10^x)=100
(25+x)/(100+x)=40%
40x-x=100怎么解
(2x^3+2x^2-40x+100)/(x^3-3x^2-10x)怎么化简还是说不能化简,急急急!