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)
36/24 = 15/x // - 15/x
36/24-(15/x) = 0
36/24-15*x^-1 = 0
-15*x^-1 = -3/2 // : -15
x^-1 = 1/10
-1 < 0
1/(x^1) = 1/10 // * x^1
1 = 1/10*x^1 // : 1/10
10 = x^1
x = 10
x = 10
| G-4v+10v=14 | | 15=-6-3x | | 7[4x+7]=161 | | 4y-3+y+53=7y+50-5y | | 24x+5=26x-5 | | -1-7x=20 | | 12.5/16 | | -5x-2=38 | | 6+2p-2=7p+4-4p | | 2n-1+n+-5=3n-1+n | | F(0)=15(0)-10 | | 3(4x+6)=34x-6 | | d=3+0.25d | | x+-5+1= | | 55x=70(x+30) | | 500t=700(60+t) | | 3975+6d=995+17.95d | | 32-6x=8+2 | | 16x=6y | | -8j+14=-8j+14 | | 66p+20p=350 | | n+5(n-5)=7 | | f(x)=-x^2+9x | | a-2a+2b+b= | | -4+3(-3-2)=59 | | 3x-5x+18=-2(x-5) | | (2x+31)=(9x+3) | | 3(x-4)=15x-28 | | -2*a+2b+b= | | 7=r/3×5 | | 7c+4d-3d-2c= | | -x*2=-36 |