If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
b+2/9 = 28/45 // - 28/45
b+2/9-(28/45) = 0
b+2/9-28/45 = 0
b-2/5 = 0 // + 2/5
b = 2/5
b = 2/5
| -26/3=k+1/3 | | w-3/5=-41/60 | | -5/6m=-3/4 | | 12g+18=66g | | w-1=-5/9 | | t/-6=-2/7 | | 4/7k=0 | | 7/2=d-1/2 | | 9=a+4 | | w+2/9=17/36 | | 14f-20=50f | | 2b=-24 | | w-3=-3 | | a-9=-79/8 | | d+7=71/11 | | 112=4+9 | | a+8=13 | | k+7=-2 | | 6/7w=-12/35 | | w-3/5=-3/10 | | n+3=25/11 | | 2/3+a=-16/3 | | 7a=-35/6 | | 2/5+m=37/5 | | 9=a+2 | | w+1/2=9/2 | | 2m-31=17m | | 14x-4=12-6 | | -53/6=n-9 | | 10+b=52/5 | | 5=n+1 | | 7/8+n=71/8 |