If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x+x/y = 0
x*y^-1 = 0 // : y^-1
x = 0
x = 0
| 8y+3+y+7= | | 22+8x+3x=0 | | x/y | | 36^(3/2) | | 6n(3-4n)= | | ((1)(2)(3)(4)(5))0.2=(120)0.2 | | 1/y | | 3(x-4)=54 | | 4x+22=12x-47 | | (1/x+1/y) | | -6x-2=2x+14 | | x/6+27=28 | | 21-5x=14+2x | | 3x=24+4x-3 | | 9=3x+5 | | 2(x*x)+7x+3=0 | | -9x^3-5x^2+36x-20=0 | | X^2+7=-18 | | kx^2+(4k+2)x+4k+5=0 | | x^2-51x+630=0 | | 9x+2y+3x+y= | | -8x-7=-24 | | 24.6+(-45.5)=20.9 | | (a/b+1)/(a/b-1) | | -15+(-9)=-24 | | (a/b+1)/a/b-1 | | 4x-4=-2x+7 | | 4y-1=.6666666666666666666666666666*(y-5) | | 4y-1=(2/3)*(y-5) | | 4x+5=55-6x | | n-3.8=1.8 | | 4y-1=.66666666*(y-5) |