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)
2.5/20 = 6/x // - 6/x
2.5/20-(6/x) = 0
2.5/20-6*x^-1 = 0
-6*x^-1 = -0.125 // : -6
x^-1 = 0.02083333
-1 < 0
1/(x^1) = 0.02083333 // * x^1
1 = 0.02083333*x^1 // : 0.02083333
48.00000768 = x^1
x = 48.00000768
x = 48.00000768
| 2e-12=7e+eght | | 32p-7= | | 5b+12c=9a | | -(4+n)-8=3(n-4) | | 1/2b-12=13 | | 11x-8=37+2x | | 4x+7+x=12 | | 119/17=140/x | | 4x+7x=12 | | 18y-21=2y-19 | | -64-(4x-14)=x | | 4(7n-3)=4(n+3) | | 5x=55-6x | | 100=x/4 | | 21=x/3-10 | | -5(2x+6)+8x=22 | | 8x+20=110-2x | | 9=x/9=7 | | b^2+4=36 | | 35=10logA | | -x^2-6x= | | 35=10log(A) | | 4v+9=81 | | -12x+7y=80 | | 4x-100=9x-100 | | -3(2x-4)=4(3/2x-3 | | -4-6x=11-3x | | 3(7+x)-5=28 | | 3(k-4)=-2(k+6) | | 12c+7+2b+10c+5= | | 6*(x-4)=-42 | | 3*(x-14)=-27 |