作业帮(500 x-300)/(x-500)=1.2怎么算
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(500 x-300)/(x-500)=1.2怎么算
(500 x-300)/(x-500)=1.2怎么算
(500 x-300)/(x-500)=1.2怎么算
(500 x-300)/(x-500)=1.2
(500 x-300)/(x-500)=6/5
5(500 x-300)=6(x-500)
2500x-1500=6x-3000
x（2500-6）=1500-3000
x=-1500/2494
x=-0.6
500-x/x=0.06
(500 x-300)/(x-500)=1.2怎么算
(10+X)(500-20X)=6000 ----------------------X=?
200+x=2/3*(500+x) x=
0.5（500-x)-0.5x=237.5x怎样解?
x-15%x=42 500怎么解x
x-1/4x=500-x+60 怎么算
X^2+50x=500,x是多少,
1000x-20x平方-500x=2700
500x[5/6X-4]=4000X
X-Y=500 (X-300)/Y*100%=120%
300+X=5X-500怎么解?
(X/2)*150 + (X/2)*75 = 300*500
(10+x)(500-20x)=6000
x/19+(500-x)/10=32
(0.3-x)(500+4000x)=180
600+x=1.1(500+x)
解方程x(60-x)=500