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)
5/x = 1/3 // - 1/3
5/x-(1/3) = 0
5/x-1/3 = 0
5*x^-1 = 1/3 // : 5
x^-1 = 1/15
-1 < 0
1/(x^1) = 1/15 // * x^1
1 = 1/15*x^1 // : 1/15
15 = x^1
x = 15
x = 15
| 4x+4(2-x)=2-3x+4(2+x) | | 6r-1+6r=17-6 | | -34=9(k+75)-43 | | (3x-15)/(x-5) | | 5sinx-12cosx-3=0 | | 5sinx-12cosx=3 | | X+2x=20+36 | | 49-2x=14-9x | | 12cosX+-5sinX=3 | | 6x+10=-45-5x | | 4x+6x=6x | | y=4ln(6x^3-7x-10) | | 12x+13=3x+238 | | q+2p=200 | | ((.74/.26)(1/8))-1 | | (x+4)(x-12)=-5x | | 70z-75z-1=-41 | | (3x-2)(x-5)=4+(3x-6)(x+7) | | 6+6x=-21 | | 9+6x=-11+x | | 1.2m-8.3-6.6m=-2.7-5.4m-56 | | 2c/3-6=9 | | sin(x-2)=0 | | 15+3x=54 | | 9(3n-3)=(2n+2)+4 | | =4+(3x-6)(x+7) | | 10x+(20-40)=100 | | x(15x+41)+14=0 | | 5x+4=5(x-1) | | 5x+4(-51/34)=-26 | | 3x-4=14-92 | | 5p-14= |