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-3 = 0
x-3 = 0
x-3 = 0
x-3 = 0 // + 3
x = 3
x in (-oo:3) U (3:+oo)
7*x-6 = 108/(x-3) // - 108/(x-3)
7*x-(108/(x-3))-6 = 0
7*x-108*(x-3)^-1-6 = 0
7*x-108/(x-3)-6 = 0
(7*x*(x-3))/(x-3)-108/(x-3)+(-6*(x-3))/(x-3) = 0
7*x*(x-3)-6*(x-3)-108 = 0
7*x^2-21*x-6*x-108+18 = 0
7*x^2-27*x-90 = 0
7*x^2-27*x-90 = 0
7*x^2-27*x-90 = 0
DELTA = (-27)^2-(-90*4*7)
DELTA = 3249
DELTA > 0
x = (3249^(1/2)+27)/(2*7) or x = (27-3249^(1/2))/(2*7)
x = 6 or x = -15/7
(x+15/7)*(x-6) = 0
((x+15/7)*(x-6))/(x-3) = 0
((x+15/7)*(x-6))/(x-3) = 0 // * x-3
(x+15/7)*(x-6) = 0
( x+15/7 )
x+15/7 = 0 // - 15/7
x = -15/7
( x-6 )
x-6 = 0 // + 6
x = 6
x in { -15/7, 6 }
| (3x-1)^2/5=7 | | 2(x+6)=-2(x+1) | | -2x-1=-(10/(x+1)) | | 2-(x+1)=12 | | (2a/3)+(1/5)=(7/6) | | x-1/4-3=0 | | X/2+18=26 | | 4y^2-y+1=0 | | 2w+22=2w-5 | | -x^2+11x+28=0 | | 6=-3/5x | | 3[x-2]+2=17 | | =3b*(6x-ay) | | 5.4t+14.6-10.1t=15.8-3.5t-0.6 | | =(4x-7y) | | x=2y-24 | | 3logx=3log(x+2) | | -x^2-22=0 | | 2(x-4)+11x=8 | | x-1/2+x-3/3=x-4/4 | | 2(x-4)+11x=18 | | 2x^2+18=5 | | 3x^2-4ax-2=0 | | 9W=2(W+5)+2W | | g/2-1=9/4+1 | | 4x+7(3+3x)-9=-13 | | 1/29-1=5 | | 6z-3=6z+5 | | 29=-8-7+5x | | 4x+2=7+x | | 5z^4+10z^3+10z^2+5z+1=0 | | 7/x-3/4x=5 |