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)
w+6/7 = 10/77 // - 10/77
w+6/7-(10/77) = 0
w+6/7-10/77 = 0
w+8/11 = 0 // - 8/11
w = -8/11
w = -8/11
| m+3/5=18/5 | | 3+w=-6 | | k-2/3=-8/3 | | 31/40=n-1/10 | | t+1=8 | | -1/2=d-1 | | x+8=57/7 | | 2/5=m-1/5 | | 21=a+9 | | t/-7=4/7 | | d+1=5/8 | | -6d=24/11 | | w+8=20 | | -7k=-56 | | -5/2=b-1/2 | | 116/11=k+10 | | n+3=16/5 | | 2/3=x+1 | | w+1/3=5/6 | | -3/4+n=-19/36 | | a-2/5=-47/5 | | -1/2n=-1/9 | | t+2/3=4/3 | | k+4=9 | | k+9=20 | | 1/2n=-5/2 | | n+3/7=-30/77 | | t-7=-67/11 | | -13/11=t-2 | | 7/4=k+1 | | b+7/10=13/10 | | k-3/7=60/7 |