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+2/5 = 47/5 // - 47/5
b+2/5-(47/5) = 0
b+2/5-47/5 = 0
b-9 = 0 // + 9
b = 9
b = 9
| w-1/8=5/8 | | w/4=-6/7 | | t-2/5=43/5 | | d-6=-16/3 | | 7=a+7 | | -5/7+x=16/7 | | 4/5+m=-1/5 | | -1/3d=-4 | | 1+k=-5 | | 4a=4/3 | | a+3/8=43/8 | | 64/11=t+5 | | U^2-7u+6= | | d-9=-42/5 | | 5+a=64/11 | | 9+u/7=12 | | 2n=-4/5 | | w/6=-3 | | -6b=9/5 | | 3t=9/5 | | 4b=-4/3 | | k+8/9=-28/9 | | w+9/10=11/15 | | 5=n+10 | | b+7/8=71/72 | | d+3/10=53/10 | | x+2/3=-22/3 | | b+1=9/5 | | 3/5x=27/5 | | t/3=6 | | -5/7t=-1/7 | | b+4/9=4/9 |