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)
6*w+6*w-9 = 111 // - 111
6*w+6*w-111-9 = 0
12*w-120 = 0 // + 120
12*w = 120 // : 12
w = 120/12
w = 10
w = 10
| 4w-4+4w=92 | | 7d+6+3d=86 | | -4x-3(2-2x)=7+2x | | -n-7-4n=-32 | | 6+7m-5m=2 | | 4x+10+5x=19 | | 2+d+6d=-47 | | 5m-7+7m=-127 | | 7+4d-d=-26 | | -9=2k-k-10 | | -6+3b+b=14 | | 4m+9+5m=27 | | 5+3x-x=27 | | 2k-7+6k=65 | | -1+3b+2b=19 | | 11=-4b+3b+6 | | -5t+3+t=-29 | | -6m+3-6m=111 | | -7+6d-5d=0 | | 38=-5n+2n+5 | | -10-2n+3n=-9 | | 6-7t+5t=16 | | -8-3d+6d=-29 | | 4d+7+3d=28 | | 4t+-9=-37+8t | | -39=2k+2k-3 | | 15=-6t+3t-9 | | -5w-10+6w=-22 | | 6+-9=-37+8t | | 10+2k-4k=2 | | 39=2a+5a-10 | | 2b+2+3b=-58 |