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)
2*n+9 = 17 // - 17
2*n-17+9 = 0
2*n-8 = 0 // + 8
2*n = 8 // : 2
n = 8/2
n = 4
n = 4
| 2/3d-1/8=-33/8 | | 6a+1/3=83/33 | | -2/7n-1/2=-47/14 | | -8+4a=-56/5 | | -6d+2=-26/11 | | 2a-1=-3 | | -2/3-3/5n=-38/165 | | 7b+4/5=199/30 | | 5/6n+3/5=27/20 | | -1/3d+3=10/3 | | -5/7-2/3k=-19/7 | | -5n-9=-59 | | -5/7x+3=-24/7 | | 9-5/7a=648/77 | | 5t+1/2=-59/22 | | 2/3x-1=-5/3 | | 7m+2/9=443/9 | | w+2/3=4/15 | | 7+b=15/2 | | 5d+1/3=29/12 | | -6a+7/9=-38/9 | | 5t+1/3=121/3 | | 2w+3/5=13/5 | | 2n-3/4=29/4 | | 2/3n+8=122/15 | | 7/10-k=-33/10 | | 2/5n+8=34/5 | | -7n-7/8=119/24 | | -1/2t+1/3=31/48 | | 4/7+1/2n=58/77 | | 2/5+4n=-178/5 | | 2/3d+8=44/3 |