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+5*b-7 = 4 // - 4
6*b+5*b-7-4 = 0
11*b-11 = 0 // + 11
11*b = 11 // : 11
b = 11/11
b = 1
b = 1
| 7w+9+2w=-18 | | -7+2k+7k=-115 | | 25=-a-4a-5 | | -10=2k-4k+2 | | -6+7m+6m=150 | | m-7+m=9 | | -31=2x+x+2 | | 7=-k+2k-1 | | 5-d+4d=23 | | -7+t+5t=17 | | 4+7b+5b=16 | | 3+2t+2t=23 | | 8=-5m-m+8 | | -79=-7n-3n+1 | | -7t+3+t=15 | | -5b+6-7b=78 | | 7=-3t+4t+7 | | 4-3w-2w=-16 | | 22=b+5b+10 | | 4-4a+a=13 | | 134=-7a-4a+2 | | -23=-3x+x-9 | | 3-7a-7a=-165 | | 1-7t-6t=144 | | k-5+5k=-41 | | -9+6a+7a=134 | | -26=-3k-3k+10 | | -14=-2a+3a-2 | | 3+7a+6a=68 | | -k+3+3k=23 | | -3n-4+5n=20 | | 2k+9+4k=75 |