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 = 45/27 // - 45/27
5/x-(45/27) = 0
5/x-5/3 = 0
5*x^-1 = 5/3 // : 5
x^-1 = 1/3
-1 < 0
1/(x^1) = 1/3 // * x^1
1 = 1/3*x^1 // : 1/3
3 = x^1
x = 3
x = 3
| 92x=90x+8 | | h=-16t^2-14t+180 | | (2c-10d)+[4c+(-d)]= | | 10=5y | | 5=4+b/14 | | 2/(n+5)-3/(n+1) | | 40v^2/40v^3 | | x-30=8 | | -4=3v+2 | | y^2+2y+1=1 | | 8(x-6)=-8x-8(1-7x) | | (x+21)=136 | | 1.7x^2-2.9x+1=0 | | 7=13,5-x | | (8w+7z)+8w= | | 3c-2= | | x-9=2x+5 | | 1/3x-5+2x=16 | | 7=131/2-x | | 3x^2+21x+148=0 | | 7=31/2-x | | 3x^1+21x+148=0 | | (4x-5)+(9x+14)= | | 18-2+4/2 | | 0.21x+525.00=0.13x+585.00 | | 1.33-6+40= | | 5x-3y=-14 | | -5=5w-5 | | 3(x-2)+41=-2x | | 0.21x+525.00=0.13+585.00 | | -9h+12= | | 5m/m-6+30/m-6 |