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)
7*b+4 = 4*b+4 // - 4*b+4
7*b-(4*b)-4+4 = 0
7*b-4*b-4+4 = 0
3*b = 0 // : 3
b = 0
b = 0
| 7+4b=-b-23 | | 2m+7=37-3m | | -7w-10=-131+4w | | -9+5m=-3m+7 | | 7+4k=3k+10 | | 4+2n=4n+28 | | t+5=37+5t | | 4w-9=-1+3w | | -1+5m=2m-22 | | 7w+2=2w+22 | | -3t+6=t-42 | | -10+2m=-3m-10 | | 6n+3=-4n+63 | | -5+4n=2n-5 | | k+3=-4k+18 | | 3t+9=-6t+72 | | 9-6t=5t+141 | | 1+3m=5m-9 | | m+4=-2m+4 | | 2t-5=4+5t | | 4b+6=42+7b | | 7+2n=-3n+62 | | 6m-6=-36+3m | | 4m-3=-7m+118 | | 5b+9=42-6b | | -4-b=7b-68 | | -4-6t=2t-44 | | 7m+6=-4m+50 | | -6-3m=m+26 | | 3w+2=-46+7w | | n+8=-4n-47 | | -5d+9=-19-d |