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)
-6*b-7 = 6*b+125 // - 6*b+125
-6*b-(6*b)-125-7 = 0
-6*b-6*b-125-7 = 0
-12*b-132 = 0 // + 132
-12*b = 132 // : -12
b = 132/(-12)
b = -11
b = -11
| 3x+5=-x-3 | | 4x+1=5x+1 | | -k-6=-18+2k | | -7w+6=-2w+41 | | 5m-8=m-4 | | 2-w=6w-12 | | 2w+9=6w+1 | | 4+b=-6b+60 | | 7a+9=-6a+126 | | -3m+7=6m-83 | | 5x-1=x+11 | | -1+3x=2x+6 | | 3k-10=-19+6k | | 6m+6=114-6m | | 4t-7=-7t+70 | | -8-6d=7d-164 | | 3x+10=-4x+31 | | 9-4k=-3k+14 | | 1+m=-5m+19 | | 2n+9=4n+21 | | -5d+4=3d-36 | | -7+6x=5x-5 | | 5a+10=30+a | | -3m+3=-6m-30 | | -3t+7=-7t-41 | | 7w+6=78+w | | 3+3a=-4a+80 | | 5t+3=4t-1 | | -4n+4=6n-116 | | 2m+4=5m-5 | | 4m-5=6m+13 | | 2t-4=59-5t |