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)
9/x = 81/92 // - 81/92
9/x-(81/92) = 0
9/x-81/92 = 0
9*x^-1 = 81/92 // : 9
x^-1 = 9/92
-1 < 0
1/(x^1) = 9/92 // * x^1
1 = 9/92*x^1 // : 9/92
92/9 = x^1
x = 92/9
x = 92/9
| 3x-150=1778 | | 8x^2+27= | | 3(5+x)=18 | | p+2.5=5 | | 90=-11+9+2x | | x^2+18x=c | | -12x+y=52 | | x/2=6/4 | | -5-3(2+2w)=-7 | | 4m-17m=6 | | 4(k+2)=3k+5 | | s+(s+4)+3s= | | 40(25+f)=2000 | | 4w^2-25w+25=0 | | 5f-4(f-3)=17 | | x/5=255 | | Y=-8(4.2) | | 11=d/9 | | y+9=6(k-11) | | -x-6=2 | | x/5+2x/3=13 | | 7M+2+2M+0=20 | | x^2-75=-10x | | 24x^3-x^2-3x= | | -x^2+24x+180=0 | | 9K+6K-6=39 | | 24x^3-x^2-3x=equation | | 5x-2y=40 | | 11N+12-2N-4=44 | | 2x-7=2x+5 | | 72=2x*2 | | 7.44=2*3.14*r |