If it's not what You are looking for type in the equation solver your own equation and let us solve it.
m in (-oo:+oo)
2 = 2*m+6*m+2 // - 2*m+6*m+2
2-(2*m)-(6*m)-2 = 0
2-2*m-6*m-2 = 0
-8*m = 0 // : -8
m = 0
m = 0
| 7k+5-6k=0 | | -3b-8+4b=-14 | | -4w+5+5w=2 | | 10-6a-5a=65 | | 34=4x+7x-10 | | 2-4m-2m=-10 | | -6+2n-3n=-18 | | 6+m+6m=-50 | | 67=7n+3n-3 | | -4k+10+6k=14 | | 3=5k-6k+3 | | 4+5b+7b=64 | | -2w+1+5w=-20 | | 4k-6-7k=-42 | | -65=5n+7n+7 | | -2k+7+6k=3 | | -m-5-7m=-53 | | -5+a+5a=-59 | | 19=2k+7k+1 | | -3k+9+k=3 | | -2k+9-3k=-36 | | -6w-9-6w=-141 | | k-1+5k=65 | | 83=-7a-7a-1 | | 5+3m+3m=-55 | | 3+4a+5a=3 | | -9=5d+d-3 | | -9+3w+4w=26 | | -3w+7+5w=27 | | -6a+9+3a=6 | | -4+4n+3n=24 | | 4+3a+a=-4 |