If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
f = 18/(3^3) // - 18/(3^3)
f-(18/(3^3)) = 0
f-18*3^-3 = 0
f-2/3 = 0 // + 2/3
f = 2/3
f = 2/3
| -2=3y-18-5z | | 4/5a= | | 27-11n=-32 | | g=29/4^2 | | 19-2(2x+3)=2(x+3) | | 2x+3x=x+20 | | 12n+2=4n+26 | | 4(3x-2)=54 | | 2/3y=8/13 | | s^4t^11/s^2 | | (3x+8)(x-3)=-14 | | -2x-5=3a-4 | | =2.31-3.5 | | v=1/3(3.14)(3x)^2(2x) | | 3a-4=-2x-5 | | .4x-.2=-2.5 | | 6c-8-2c= | | .4x-.2=-.25 | | 4.9*0.02= | | 5(7b-4)=-b-4(b+5) | | 24-7+5y=0 | | 4x+6x-9=11 | | -2(6a-6)=-4(1+a) | | -9+2(p+6)=-(-3+9p) | | 8(x+7)=6(2+2x) | | 3u-9=4u+12 | | 5y-17=68 | | -6x-3(x-1)=-(1+8x) | | 6x-3(-2x+2)=66 | | 3x-3=24x+11 | | -2(-4x-1)-3(x-6)=2x-1+8x+1 | | 9-3(x-2)=36 |