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)
(0/4)*x = 0
0 = 0
0/4 = 0
0 = 0
0/4 = 0 // * 4
0 = 0
x = 0
(0/4)*x = 0 <=> 0/4 = 0 or (0/4)*x = 0 <=> x = 0
x in (-oo:+oo)
| z^4+2z^3+z^2= | | 3x-4(y-2)=2 | | 0.25q+0.10(2q+2)=10.55 | | y^6+Y^5-20y^4=0 | | 0.04s+0.06(s+300)=70 | | 45=7w+2w | | Ax+bx=cxy | | 19x+7x= | | 1/3x=1-1/5y | | 3y^3-19y^2-14y=0 | | 6(x+1)-4(4x-1)=5 | | sinx=-1/7 | | sint=1/7 | | 5=6x+6-16x-4 | | sinx=1/7 | | x=2.5(y+5)-5 | | 3x-1=5.2x | | y=0-4-5x | | 7u^2+9u=0 | | 3nsquared=300 | | 12x-4xsquared=0 | | 1.25y=x-5 | | x-5=1.25y | | 0.8y=4+-x | | 9y^2+17y+20=4-7y | | 0.2y=-0.8-x | | x^2-4x+16=4x | | 2(x+2)-3(3x-3)=x+7 | | 1.666666667y=5+-x | | 0.25y=-0.5+-x | | 0.25y=-x-0.5 | | x=-0.5+-0.25y |