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)
(1/2)*n+4/7 = 58/77 // - 58/77
(1/2)*n+4/7-(58/77) = 0
(1/2)*n+4/7-58/77 = 0
1/2*n-2/11 = 0 // + 2/11
1/2*n = 2/11 // : 1/2
n = 2/11/1/2
n = 4/11
n = 4/11
| 2/5+4n=-178/5 | | 2/3d+8=44/3 | | 3/5a+8=427/50 | | 2b-9=-11 | | 4a+1/2=55/14 | | 1/7+d=-83/7 | | 3-3/5a=51/20 | | 4/5w+4=152/35 | | 1/4+m=-3/4 | | 2/3a-5=-5 | | 3/4+2k=61/28 | | 5-1/3w=21/4 | | 2k+8=27/4 | | -2/3m+2=7/3 | | -2/5+b=13/5 | | -7m+1=-23/5 | | 7+1/7m=50/7 | | 1/2-7m=-153/2 | | 2/3+4/5k=106/105 | | 4/7d+2/5=54/35 | | 1/6+5/7t=31/6 | | 3d+2/5=53/20 | | -7d+5/7=-127/28 | | 8-7w=15 | | 6-4/5b=-14/5 | | 3/7k+1/9=277/63 | | -6-3/5w=-48/5 | | -1/2a-10=-25/2 | | 1+1/5b=17/15 | | -7d+4=-38 | | 1/3a+9/10=107/30 | | -6b+7/9=-35/9 |