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)
(-1/3)*n+3 = -1 // + 1
(-1/3)*n+1+3 = 0
4-1/3*n = 0 // - 4
-1/3*n = -4 // : -1/3
n = -4/(-1/3)
n = 12
n = 12
| -4/7k+3/4=57/140 | | 3+2n=15/11 | | 4t+2/5=-58/5 | | 3/10+w=113/10 | | 3/5d+4/7=4/7 | | -6d+1=7 | | -1/2-4/5t=-13/10 | | -7m+1/10=-69/10 | | 8+1/4a=87/11 | | 1+1/2t=25/22 | | 1/6+1/3a=-23/6 | | 3/7-2t=-81/7 | | 4/5+7x=-101/5 | | -1/5+3d=-7/5 | | -1+4x=-11/5 | | 2/3-6m=-44/15 | | 1/4-1/3d=1/4 | | n+5/6=4/3 | | 5/7k-2=31/7 | | 7/10-t=-83/10 | | 2+7t=2 | | 2x+1/7=-97/7 | | 7k+4=88 | | 1/5k-10=-248/25 | | 6m+1=61 | | -1/3t-10=-154/15 | | 2/5+4b=22/5 | | 4/5t+2/9=-134/45 | | -2/3m-1=-17/27 | | 8+5w=18 | | 1/6+1/3m=-19/6 | | -5x+3/10=-69/20 |