If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9/20+4/15 = 9/15
4/15+9/20 = 3/5
43/60 = 3/5
L <> R
| 3(u+6+8v)= | | v^2-9v=2 | | 80=37.94+0.25x | | -6(1-2v)-3v=3 | | 4/x-2=-3/x+5+7/(x+5)(x-2) | | 3*3*8*2=b | | 84x1/7 | | 6-2x=42 | | 7=-7(-k+1) | | 32.363+p=11.363 | | 3m^2-5m=1 | | 15/188/5 | | 15/18.8/5 | | 1-3a-5a=9-6a | | -1+2(x+8)=19 | | 15/18x8/5 | | 1/5x=15 | | (4r+28)+(11r+13)=180 | | -9=9p-5-8p | | 2(-3-5m)=-46 | | 8=-8(7v-8) | | 2x-7+6=4 | | (8m+30)-(-2m+44)=-22 | | x-9-10=-2 | | 8(-5+6v-2v)= | | p-.75=32.40 | | -11=y+20 | | 10k+12=14k-12 | | 0.79p+2.90=8.17 | | 1/2-1/1 | | 1/2-1-1 | | -3(-5r-8)+7=-29 |