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)
6 = 11-(2/x) // - 11-(2/x)
2/x-11+6 = 0
2*x^-1 = 5 // : 2
x^-1 = 5/2
-1 < 0
1/(x^1) = 5/2 // * x^1
1 = 5/2*x^1 // : 5/2
2/5 = x^1
x = 2/5
x = 2/5
| 2(w+6)=3w | | 4w-2=3w+2 | | 1/3×10 | | v^2+4v-78=-7 | | 2/10=0.2 | | 5/6•-4=-2 | | 4m+9=23 | | 3/4(4x-8)=63 | | 1/5x-4/9 | | -6/7v=18 | | x+25=-13 | | 123.4567901=0 | | 4d-30=b+3 | | 5/9(-16-32)=c | | 2x^2+27x=-13 | | 2x-80+1x+50=180 | | 4(4w+7)=6 | | 3(u-4)=8u-7 | | 5n=19+n | | 2x=10-21 | | -5(2t+10)=-110 | | 6-4x=-5 | | 15-8x/6x-11=7-4x/3x-5 | | 2(f-9)=-26 | | x=-2x-1 | | -10(s+4)=-23 | | -10(2+4)=-23 | | 13+2a=-3(-6a+1) | | log(8x+7)=1 | | 7(1+2x)=-1+6x | | -12=1 | | 18.75+3.5t=1.5-t |