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-((x-1)/x) = 7/x // - 7/x
2-((x-1)/x)-(7/x) = 0
2-((x-1)/x)-7*x^-1 = 0
(-1*(x-1))/x-7/x+2 = 0
(-1*(x-1))/x-7/x+(2*x)/x = 0
2*x-1*(x-1)-7 = 0
2*x-x-6 = 0
x-6 = 0
(x-6)/x = 0
(x-6)/x = 0 // * x
x-6 = 0
x-6 = 0 // + 6
x = 6
x = 6
| 6x+2=-16+3x | | 37=8-31u | | K^2+24-11k=0 | | 15y+5=23 | | K-13=56 | | 3w-2w=24-w | | 987*445=7 | | 7a-3=3+2a | | 0.2x-2=0.52-0.7x | | 36=n | | 5b-2b+8b= | | -64=-4r | | a/10=b/3 | | 4(3x-2)=112 | | -w-3=-8w+16 | | 7w-19=5w-x | | 4y-1+8y=-4 | | y=(3-2-4) | | -5c+10=-10+4-9c | | 5+2r=2x+6 | | X/3-1/2=1/4 | | K-13=57 | | 9(x+3)-3=29-3x-5+12x | | 7w=5w+8 | | 3/8=?/24 | | 2x-4=9x-7-7x | | 8x^2+16x+5=0 | | 2(4-6)-3(1+3x)=16 | | 3x^2-17x=-6 | | y=(3-2-4)2 | | 23+4v=83 | | e^7x*e^2=e^2x+8 |