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*b-7 = -12 // + 12
12-5*b-7 = 0
5-5*b = 0 // - 5
-5*b = -5 // : -5
b = -5/(-5)
b = 1
b = 1
| 4-3t=10 | | -9-3a=-42 | | 10-3b=19 | | 5+7x=33 | | -6k-1=17 | | 3m-6=-24 | | -8+4x=20 | | -3d+7=-23 | | 3x+12=7x-8 | | -1+2n=15 | | -1+5b=-16 | | -5k+2=27 | | 8-5m=-47 | | -4n+1=-47 | | -6n-2=52 | | 9+4m=9 | | -7a-3=-38 | | -6w-9=-51 | | 4n^2+3n-8=0 | | -10+4x=2 | | 7a-7=49 | | 3b+2=-25 | | 6a+10=-8 | | -6a+2=-16 | | 4d-1=15 | | -6t+5=-19 | | 3k+3=18 | | 9+5n=-16 | | 6t+6=12 | | 6-3m=-3 | | 6t+10=76 | | 5w-6=-1 |