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)
7/x-(1/x)-3+5 = 5/3 // - 5/3
7/x-(1/x)-(5/3)-3+5 = 0
7/x-x^-1-5/3-3+5 = 0
6*x^-1 = -1/3 // : 6
x^-1 = -1/18
-1 < 0
1/(x^1) = -1/18 // * x^1
1 = -1/18*x^1 // : -1/18
-18 = x^1
x = -18
x = -18
| -2-a=-2 | | r+6=6 | | x^4+4x^3-8x^2+2=0 | | .5(2x+4)+9= | | 1/2t^2-16=0 | | -80=-8x | | j-92=-20 | | 6x+3+2x-9x+10x=6+7+4x-9 | | 64b^2=4 | | 4y^2+52y+169=0 | | -2-n=-5 | | 1.50/8 | | d-47=42 | | 132=-12r | | 132=12r | | x-33=-52 | | 2*+4=6 | | n-84=16 | | t-33=-51 | | 3x+88=7x+36 | | 7x+30=2x+130 | | x^2+0.75x+0.125=0 | | 9(x+1)+5(x+1)=5x-5 | | 2.8/4.8=7/x | | 10+5x^2+3x^4=0 | | 5(2x-1)-4(5x-2)=19-2(x+2) | | 2x+5x+(-3x)+(-3)=9 | | 3(2x-2)-3(5-3x)=3 | | 10=4-2 | | 4x-2=5x+8 | | -4(x-3)=36 | | -2x+1/2=1/3 |