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)
2.75/x = 5.5 // - 5.5
2.75/x-5.5 = 0
2.75*x^-1 = 5.5 // : 2.75
x^-1 = 2
-1 < 0
1/(x^1) = 2 // * x^1
1 = 2*x^1 // : 2
1/2 = x^1
x = 1/2
x = 1/2
| -3+23=11 | | 14x^7+21x^4= | | 0.3x=19 | | 2/n=8/11/10 | | 8t+7=-8 | | 8(8+10)=9(9+(2x-17)) | | 9d-9+d=11 | | 2.5x+5y=15 | | -6x^2=-3x+7 | | -0.5=4x+2 | | 7-6x=7(1-3x) | | 36x/12=84 | | -16n+10=-14n-12 | | 9y(5x+3)= | | 6/27*35/12 | | 6/2712/35 | | 2x^2+2x-153=0 | | 3+(9-8x-4x)+8(3x+4)=11 | | y=-5x^2+35x | | 7*-5y=K | | 0=x^4-4x^3+2 | | 5(v+7)(-v+3)= | | 6y-15y=-36-45 | | 4(a-5)+4a= | | 3n=12/1 | | 2x-0.5=2.5(0.8x+2) | | -4+15=m-2 | | 7*-5=k | | 2-c=28 | | 8-3(2x-4)=5 | | 42m^2-119m-24= | | (4y-5)(6+y)= |