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 = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
3/x = 2/6 // - 2/6
3/x-(2/6) = 0
3/x-1/3 = 0
3*x^-1 = 1/3 // : 3
x^-1 = 1/9
-1 < 0
1/(x^1) = 1/9 // * x^1
1 = 1/9*x^1 // : 1/9
9 = x^1
x = 9
x = 9
| -15.2k=-11.6k+11.16 | | x/32=400 | | 1/3(9m+12)=m | | [x]-8=25 | | 7x=-7/2 | | x/400=32 | | (b-3)(b-3)=6 | | -14h-18=-8h | | X/4-r=5 | | 4(1+8a)-2a=40+30a | | 5r^2+7r-4=0 | | 5x-1/3=10 | | -13.2u-4.72=-3.95-5.5u | | 3-6x+8x=-12 | | 32x=400 | | 7q-3q+2=6 | | 0=-15p^2-20p | | 3x/12=5/10 | | -2(6x+5)=-2(x-1)+2x | | 13.2u-4.72=-3.95-5.5u | | 9/x=3 | | (x2)=(1/5)-x | | 2t+t+10.5+90=180 | | Z/7+4=10 | | -16.6b-15.87=-13.5b+16.99 | | -4/5p=1/3 | | -4/5p=1/3 | | .666w-.25=.666(w-.25) | | -1/2d+2=-4d-41/2 | | 21x+17=80 | | r-(4+p)= | | 8=-5x-7 |