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)
25/x = 50 // - 50
25/x-50 = 0
25*x^-1 = 50 // : 25
x^-1 = 2
-1 < 0
1/(x^1) = 2 // * x^1
1 = 2*x^1 // : 2
1/2 = x^1
x = 1/2
x = 1/2
| 4g-1=3g+7 | | 4x-7+8x+1=90 | | (-1)+k=3 | | 8b=60 | | 8k+5=2 | | -3(x+4)+6=7(x+4) | | 5/3x-1/6=-2/9-4/3 | | 4x^2-400x+1000=0 | | 10h+17-5h=3h-23 | | 15=8+u | | 8y+2y=-4 | | Ln(x)=645 | | 3x^3-14x+8=8 | | 10-2x-12=4 | | 3a-4/2=5 | | 2*f(7)-2*g(-1)= | | 2x+9+4x-15=90 | | y+2=(-6) | | C=Y-18 | | 32=11-7a | | s=16t^2+32t-193 | | (5x+1)(3x+7)= | | 180(n-2)=156n | | 1/3x-2/5=-2 | | 4/3v=30 | | ln(x+1)-ln(x+3)=-0.09 | | 2v+2=5(v+4) | | .67=x/8 | | 2y+4=5x-25 | | -2y-4/3=5/4y-5/3 | | 4(2y-5)=33 | | 10c-11=89 |