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)
16/x-6 = 7/x // - 7/x
16/x-(7/x)-6 = 0
16/x-7*x^-1-6 = 0
9*x^-1 = 6 // : 9
x^-1 = 2/3
-1 < 0
1/(x^1) = 2/3 // * x^1
1 = 2/3*x^1 // : 2/3
3/2 = x^1
x = 3/2
x = 3/2
| y=12(3) | | x-12.98=5.03 | | 2x+px=4z | | 2x-5=-2x^2+4x-1 | | 5y+2z-y= | | 32=8c | | 16=x+(x+3)+1.5x+2x+2x | | v=1/2(7)(16)(6) | | k=5r+-11s | | -1=7x-15 | | 5+41=4-x | | 8=x+14.56 | | 16.94-2.27x=10.3 | | x^3+10x^2=-24x | | 35t^2-71t+24= | | f+12.3=20 | | y=100(1+.05) | | 1/3x-5/3=3/5x | | 27=3+4x | | Ln(x-4)=-1 | | 19-.025(x+8)-x=2 | | 4y^2-36y+81= | | 4/5h=32 | | 3s+135=4.5(s+10) | | 58+m=54 | | 4x^2+8-9=0 | | g-3.14=4.5 | | 132-(5x+10)=5(x+9)+x | | -7(n-6)=34-3n | | 3x^3-5x^2=3x+5byx-3 | | 6.82x+1=46.5121+7.82 | | 9x+1=-7 |