If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x-5 = 0
x = 0
x-5 = 0
x-5 = 0
x-5 = 0 // + 5
x = 5
x = 0
x = 0
x in (-oo:0) U (0:5) U (5:+oo)
15/x-5+7 = 25/(x-5) // - 25/(x-5)
15/x-(25/(x-5))-5+7 = 0
15/x-25*(x-5)^-1-5+7 = 0
15/x-25/(x-5)-5+7 = 0
(-25*x)/(x*(x-5))+(15*(x-5))/(x*(x-5))+(-5*x*(x-5))/(x*(x-5))+(7*x*(x-5))/(x*(x-5)) = 0
15*(x-5)-5*x*(x-5)+7*x*(x-5)-25*x = 0
7*x^2-5*x^2-10*x+25*x-35*x-75 = 0
7*x^2-5*x^2+15*x-35*x-75 = 0
2*x^2-20*x-75 = 0
2*x^2-20*x-75 = 0
2*x^2-20*x-75 = 0
DELTA = (-20)^2-(-75*2*4)
DELTA = 1000
DELTA > 0
x = (1000^(1/2)+20)/(2*2) or x = (20-1000^(1/2))/(2*2)
x = (10*10^(1/2)+20)/4 or x = (20-10*10^(1/2))/4
(x-((20-10*10^(1/2))/4))*(x-((10*10^(1/2)+20)/4)) = 0
((x-((20-10*10^(1/2))/4))*(x-((10*10^(1/2)+20)/4)))/(x*(x-5)) = 0
((x-((20-10*10^(1/2))/4))*(x-((10*10^(1/2)+20)/4)))/(x*(x-5)) = 0 // * x*(x-5)
(x-((20-10*10^(1/2))/4))*(x-((10*10^(1/2)+20)/4)) = 0
( x-((10*10^(1/2)+20)/4) )
x-((10*10^(1/2)+20)/4) = 0 // + (10*10^(1/2)+20)/4
x = (10*10^(1/2)+20)/4
( x-((20-10*10^(1/2))/4) )
x-((20-10*10^(1/2))/4) = 0 // + (20-10*10^(1/2))/4
x = (20-10*10^(1/2))/4
x in { (10*10^(1/2)+20)/4, (20-10*10^(1/2))/4 }
| (15/x)+(9x-7)/(x+2)=9 | | (15/k+5)=4(-3k/k+5) | | 5x-8x=3x+12 | | -x-5=-1 | | (15/2)y-10-7y=-10 | | (15-9y)2/3=14 | | (15-5x)/5=0 | | 12/4 | | (15+g)/3=-9 | | (15)/(5x-5)+(1/5)=(3)/(x-1) | | (14x-9)/(7x+3)=2-4/x | | (14X-7)/-5x=0 | | (14x-65)/6=5x-2 | | 12x^2+27x-12=0 | | (14x-3)/(7x+3)=2-(2/x) | | (14x-3)/(-5x+5)=3 | | (14x+22)/(x+2)=-3x+1 | | (14n-7)/5=7 | | (14/x-5)+(3x+2/x)=0 | | (14/x-5)+(3x+2)/x=0 | | (14/x)x60=20 | | (14/(x-5))+((3x+2)/x)=0 | | (14-d)/3=5 | | (14+18+x)/3=17 | | (14)/(x-5)+(3x+2)/x=0 | | (14((12-2y)/7))+4y=24 | | c/2-c-4/4=5/4 | | (x)/5-(x-2)/4=(3)/4 | | (13y/14)-3=6-(7y/2) | | (13y/14)-3=6(-7y/2) | | (13x+5)/3=54 | | (13X+4)/(-2X-6)=8 |