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)
2/x = 8/12 // - 8/12
2/x-(8/12) = 0
2/x-2/3 = 0
2*x^-1 = 2/3 // : 2
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
| 2x/3-22=-34 | | 6=4x+6x+6 | | 5x^2-14xy=0 | | 3c-8c+7=-9 | | -2/7s=-2/3 | | 7x-(2x+50)=3x | | 5(3-6x)-3(7-3x)= | | 2-4x+x=-19 | | 15x-6=3(5x-2) | | 3f-13+4f-12f-2= | | 3n+2(8-5n)=3(n+4) | | 19+7m=-2m+37 | | 40-2x=7x+20 | | -43=-7x+x+5 | | 24=2x+2x+8 | | 6(x-2)=-12 | | 12+-5t=6(t+2) | | -4(3x-9)=18-2x | | -x+4-6x=-38 | | ln(x)=2*ln(3)-ln(x) | | 2g-6=4 | | P=(r*A)/(1-(1+r)-N) | | 3(2-x)=3 | | x^2+6z-7=0 | | 288=x+4+10(x-1)+4x | | 10a=6a-12 | | 2(x+4)+6=2 | | 2(x+4)+6=2 | | 2288=x+4+10(x-1)+4x | | 1.7q-5.2-5.9q=-5.2q-5.1 | | 4(x-7)/2=7(x-4)/3 | | -2x+6=2(x-3) |