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)
22/x = 12/3 // - 12/3
22/x-(12/3) = 0
22/x-4 = 0
22*x^-1 = 4 // : 22
x^-1 = 2/11
-1 < 0
1/(x^1) = 2/11 // * x^1
1 = 2/11*x^1 // : 2/11
11/2 = x^1
x = 11/2
x = 11/2
| 6s-10=-30+s | | 10x-3*4=-30 | | 17/x=12/4 | | 0x=-3 | | x(2x-8)=(2x+7)(x-4) | | 1/4x3/4 | | 11m^3/9.3s*105m/s^2 | | 5h+4k-8(3h-8k)= | | 48y=c+0.99n | | 2m^2-3m-1=0 | | a-4b/c | | 5y-6y=7 | | 2-13y=4 | | 2x-7=64 | | 11^3m/9.3s*105m/s^2 | | 5x-50+y=180 | | -114=6+10x | | y=10-x^2 | | 10*3-3y=-30 | | 5y-6fory=7 | | x^8+8x^2=0 | | 2/7n=8 | | 7/3x+1-27x/3x-1=-9 | | (4)/(7x)=(1+6x)/(9) | | 3x+4x=38 | | -5/6r=-10 | | -8m=-56 | | 5g-3=-12 | | 6x-2+4x-12=36 | | s-17=19 | | 21x^2+51x+21=0 | | 3(4x-6)-(2x+7)=10-5(4-3x) |