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)
10-2*n = 102/11 // - 102/11
10-2*n-(102/11) = 0
10-2*n-102/11 = 0
8/11-2*n = 0 // - 8/11
-2*n = -8/11 // : -2
n = -8/11/(-2)
n = 4/11
n = 4/11
| -2n+1/2=-7/2 | | -2m=-20 | | -2m=-14 | | -2m-9/10=-209/10 | | -2m-9=-19/2 | | -2m-8=-24 | | -2m-7/9=-43/9 | | -2m-7+1/3m=-16/3 | | -2m-5/6=-13/30 | | -2m-3/5=-19/15 | | -2m-2/5=-22/5 | | -2m-1/2=-19/22 | | -2m+9=8 | | -2m+9=17 | | -2m+9+2/5m=37/5 | | -2m+8=47/6 | | -2m+7/9=-29/9 | | -2m+7=37/5 | | -2m+6/7=-38/21-6m | | -2m+6+5m=-18 | | -2m+5/6=29/6 | | -2m+5=6m+7/3 | | -2m+5=5m-72 | | -2m+5=47/11 | | -2m+4/9-4m=544/9 | | -2m+4=6 | | -2m+3/5+2/5m=83/5 | | -2m+3/4=57/44 | | -2m+2/3=68/3 | | -2m+2/3=-64/3 | | -2m+10=47/4 | | -2m+10+1/2m=7 |