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)
-63 = 7*n+6*n+2 // - 7*n+6*n+2
-(7*n)-(6*n)-63-2 = 0
-7*n-6*n-63-2 = 0
-13*n-65 = 0 // + 65
-13*n = 65 // : -13
n = 65/(-13)
n = -5
n = -5
| -6+6k+k=36 | | -64=-b-6b+6 | | 1-m-6m=-48 | | 3+5n-4n=3 | | 4b+10+5b=118 | | -1=a-6a-6 | | d+10+6d=3 | | -9+2n-6n=-13 | | -4a+9-7a=9 | | 21x=196-x^2 | | -2+3t+5t=94 | | 5a+6+a=48 | | -1+5n-2n=-37 | | -7w-1+4w=35 | | 2=-4x+5x-7 | | -2w-9+7w=46 | | -30=k+3k-10 | | 2+w+3w=-42 | | -14=-2w+7w-9 | | -3=2m+2m+9 | | -3+5m+4m=78 | | 12=m-2m+9 | | 53=-w+6w+8 | | 9-2d+d=1 | | 2w-9+w=-30 | | 21=4b+6b-9 | | 6-3n+5n=22 | | 2=7m+2m+2 | | 9+a-7a=-51 | | 3+5a-2a=33 | | 12=k+k-4 | | x^2-.4x-27=0 |