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)
8 = 7*w-w+8 // - 7*w-w+8
w-(7*w)-8+8 = 0
w-7*w-8+8 = 0
-6*w = 0 // : -6
w = 0
w = 0
| 3n+7+6n=7 | | 67=a+7a+3 | | 1+3a-2a=-11 | | 8+2b-3b=-2 | | 4d+1+4d=49 | | -7+4d-5d=-1 | | -57=2t+5t-8 | | -7+2k-6k=-7 | | 22=2k+k+10 | | -91=6n+3n-10 | | -27=4k+2k+3 | | 16=2k+k+7 | | -8=-5t+2t-5 | | -1=3n+2n+9 | | -65=d-6d-5 | | x^5-4x^3+4x=0 | | 10=-3m+2m+4 | | 46=5a+7a+10 | | -3d+7-d=55 | | (x+1)2-2x(x-7)= | | -5-7b+2b=-55 | | n+6+3n=-2 | | -4t+5+5t=6 | | 39=5a+a+3 | | -2t+6-3t=56 | | 9+5m+5m=-1 | | 10-3b-b=46 | | n+3+5n=-69 | | 41=k+3k+5 | | 3+7k+2k=-60 | | 2+5d+6d=79 | | -5t+2+7t=20 |