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)
3-6*w = 9 // - 9
3-6*w-9 = 0
-6*w-6 = 0 // + 6
-6*w = 6 // : -6
w = 6/(-6)
w = -1
w = -1
| 1+3/5a=44/35 | | 3/5n-3=-6 | | -5/6m+1/5=77/135 | | 7/9+2/7n=47/63 | | 2/3b-2/5=-28/45 | | 7x-5=-3/2 | | 1+6m=5 | | -5w+9=-1 | | -6+4n=-18/5 | | 14=3(y+2)-(y-4) | | -1/3m-1/2=-5/6 | | -4/7a+9/10=41/90 | | 6k-2/3=-92/3 | | -1/5+1/6x=-7/60 | | -1/4+4/7x=-151/28 | | -3/10+6n=297/10 | | -6a-2/9=-29/9 | | 8-1/6x=26/3 | | 9/10+3x=29/10 | | 4/5a-3/4=113/20 | | -6n-4/5=-4/5 | | -3/4b+5=7/2 | | 6a+2=62 | | 8+f=11 | | 1/2d-4=-4 | | 5w+1/3=61/3 | | 2/3x-5=-143/27 | | 7+1/3m=29/4 | | 2/9+1/3t=-13/9 | | 4/5+n=-1/5 | | 5/7t-10=-115/7 | | -3/5d+6/7=-159/35 |