If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
6*n-(7*n)+6 = 2 // - 2
6*n-(7*n)-2+6 = 0
6*n-7*n-2+6 = 0
4-n = 0 // - 4
-n = -4 // * -1
n = 4
n = 4
| 2=7m+4m-9 | | -29=-4w+2w-9 | | 73=5w+2w+3 | | -38=t+7t+2 | | -6m-2-4m=58 | | 9+6t+7t=9 | | -2+2n-7n=8 | | k+6-2k=15 | | -2-4a+6a=18 | | 7n+10+4n=-34 | | -6m+1-6m=145 | | -23=-b-6b+5 | | -2t+5-3t=-50 | | 9+3w-7w=-39 | | 3=5d+3d+3 | | 8+5d+7d=32 | | 5x+3+5x=63 | | 4a+4+a=-41 | | 8+2d+d=8 | | a-4+6a=-60 | | 9-6b+7b=12 | | 7=2w+5w-7 | | 4x-2+6x=108 | | 20=2k+k+2 | | 5d+6-2d=21 | | -7-7d-3d=-97 | | 4b+8+5b=53 | | -2=-4b-5b+7 | | 2x+85=6x-11 | | 78=3k+4k+1 | | 100=-7b-3b+10 | | 23=7b-5b+1 |