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)
55/x = 5/6 // - 5/6
55/x-(5/6) = 0
55/x-5/6 = 0
55*x^-1 = 5/6 // : 55
x^-1 = 1/66
-1 < 0
1/(x^1) = 1/66 // * x^1
1 = 1/66*x^1 // : 1/66
66 = x^1
x = 66
x = 66
| 9x-18=8x+3 | | 3-2/x=1/4x | | 2c-4d= | | 6(2n+3)=6(4n+5)+7 | | 200.00+0.05x=75.00+00.10x | | 15=2a+10 | | y^3+5y=2 | | 150m-100m+38000=40600-150m | | 5x-4(1-x)=4x-4(x-8) | | 0.02x+0.14(x+4000)=880 | | t+(12+30)=(97+12)+30 | | 8/9x-2=4/5x | | 3+6x=10+3x | | 5(2x-1)=4(x+3)+6x | | 11y+9x-8=4y+17x | | -4(5y-9)+2(2y+9)= | | 9-6x-19+10x=0 | | 12(x+3)-6=2(6x+15) | | -2(x-7)-21=-7 | | -2f=6+4-(3f-2) | | 7a+(4+5a)=12a+4 | | -3x+24=-9 | | 12(x+3)-6=2(x+15) | | 7/x=19/114 | | 3(x-4)=42/14 | | 7x+2=5x-8 | | 3x^2-8=-20 | | -166=-2x-3(-6x+18) | | 6x+2=-7-12x | | log(x)=0.0000004 | | X/6=6/4 | | ln(x)=0.00000004 |