If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
7*w-6 = -83 // + 83
7*w-6+83 = 0
7*w+77 = 0 // - 77
7*w = -77 // : 7
w = -77/7
w = -11
w = -11
| -6+7k=-62 | | 3-6m=3 | | 2+7t=79 | | -2+2m=14 | | 4-6d=-68 | | 6+6k=36 | | 4a+5=-3 | | 3k-7=-28 | | -8+6n=-80 | | -4+2w=-6 | | -2-6a=-14 | | -4b+9=-11 | | 7a+5=-16 | | -4t-6=10 | | 2w-9=5 | | 4+2t=16 | | 5+5w=-15 | | -5d-10=-5 | | -7-7n=-21 | | -3t+2=-16 | | 5b+4=39 | | -4a+8=-32 | | 6n+1=-41 | | 3+3n=33 | | -2+6m=4 | | 2d+3=-13 | | -5t-2=28 | | -3k+7=-29 | | ax-5x-5a+25= | | -5a+8=-17 | | 4+7t=32 | | 3b+1=22 |