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)
-w-6 = 6*w+8 // - 6*w+8
-w-(6*w)-8-6 = 0
-w-6*w-8-6 = 0
-7*w-14 = 0 // + 14
-7*w = 14 // : -7
w = 14/(-7)
w = -2
w = -2
| -2+6n=4n+4 | | m+2=-38+6m | | 9+4k=-4k+41 | | 7m-7=-55+3m | | -4w-4=4w-84 | | -5k+6=-k-10 | | a+8=-12+3a | | a+2=-5a-52 | | 2k+7=95-6k | | 7b+3=-9+4b | | 7n+10=-16-6n | | 6+4n=6n+8 | | 5x-10=4x-20 | | 3a+3ab-10a-2ab= | | 7m+7=115-5m | | -3+7x=-4x+85 | | 7m+7=4m+28 | | -4n+4=49+5n | | 4t-4=-81-3t | | 6x+8=-5x-47 | | -3n+3=2n-57 | | 5w+5=-6w-105 | | 7w-1=-5w+23 | | 6a+2=-6a+86 | | 7w-4=4w-13 | | 7a+5=-2a-94 | | 2w-7=w-4 | | 9-7m=-3m-31 | | 10+7k=2k+35 | | 6m+5=4+5m | | 4-6n=7n-152 | | 4d+6=5d+9 |