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+1 = 4*b-8 // - 4*b-8
7*b-(4*b)+1+8 = 0
7*b-4*b+1+8 = 0
3*b+9 = 0 // - 9
3*b = -9 // : 3
b = -9/3
b = -3
b = -3
| m+9=4m-24 | | -1+6d=4d+3 | | -3w+8=4w-62 | | 8+2w=w+12 | | 1-2k=2k-43 | | -6+4d=-7d+104 | | 3/4X+1/2Y=6 | | 4b+8=5b-4 | | 6k+2=7k-10 | | 6k-5+4k=95 | | 3+7b+4b=69 | | 3+4n+n=58 | | 4m+7-2m=-3 | | m-4-7m=-52 | | -7=k-3k+9 | | -3m+8+7m=32 | | 3t+7+t=31 | | 6k+3-2k=-13 | | -51=7a+5a+9 | | -10+3d+3d=20 | | 3t+5+2t=-25 | | 5x+6-2x=30 | | -9+2w+5w=-37 | | 2b-2-4b=6 | | 2m-10+3m=50 | | x+8+4x=48 | | -3a-3+4a=-3 | | 19=4w+7w-3 | | 2x(x+1)=6 | | 29=4k-7k+8 | | 7w+7+7w=105 | | -3-3t-5t=-11 |