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)
5/18 = b-(2/9) // - b-(2/9)
5/18-b+2/9 = 0
1/2-b = 0 // - 1/2
-b = -1/2 // * -1
b = 1/2
b = 1/2
| m+7/8=47/8 | | k-5/9=23/72 | | m+3/7=10/7 | | w/-5=-1/3 | | t+1/7=43/7 | | x+3/4=35/4 | | -7t=-56/11 | | a-8=-67/9 | | b+3/5=58/55 | | n+1/6=-71/6 | | -1/12=k+1/3 | | 10=n+5 | | 2/3+k=5/3 | | b+7/9=-47/9 | | n+3=12/5 | | 3/5+d=58/5 | | -2/5+d=4/15 | | w+3=43/11 | | 62/9=k+8/9 | | x^3-3x^2+2x-2=0 | | m+1=10 | | b+4/5=24/5 | | 2/3n=-8 | | b+1=-2 | | 5/4=d+1/2 | | 38.7=-100k | | 53/5=x+3/5 | | 6x=-12/7 | | a-9/10=-19/10 | | d+9=16 | | t-6=-60/11 | | 2/3a=20/33 |