If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1/4+1/5 = 0
1/5+1/4 = 0
9/20 = 0
L <> R
| 3/z=1 | | p=3k+3w | | 3x+4y=71 | | 6-2w=w-20 | | x=25+-1.5y | | R=E/1 | | 103+x=180 | | -2k-3-6=-21 | | 6h+12+4h-6= | | -252+72x+4x^2=0 | | 9c-4=32+5c | | 7m+4m-3=-9 | | 4x^2+72x-252=0 | | 15+h=23 | | 12x+18y=72 | | 11m-3=-9 | | 2x+3y=50 | | 5n+n= | | 11-1t/2=1t/2-14 | | .7+16+4w=27.28 | | 8p-1=5p-1+3p | | 3z-3=360 | | 2n-15=37 | | x^2-12(x)+44=0 | | 11+1t/2=1t/2-14 | | 3x+17=2y | | F=D+Drt | | (z-13)+(z+10)+z=360 | | 3x+17=4x+y | | 2=10/-3 | | A/-2+3=-2 | | 7n-4=17 |