If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
k-(7/8) = -103/8 // + -103/8
k-(7/8)-(-103/8) = 0
k-7/8+103/8 = 0
k+12 = 0 // - 12
k = -12
k = -12
| d/3=-2 | | -97/10=d+3/10 | | w-1=0 | | m+5/7=33/7 | | 48/x | | n+1=6 | | t+1/4=-3/4 | | n+3=0 | | b+2/9=-70/9 | | 11=n+7 | | t/3=-7 | | 4/5d=0 | | -31/18=m-8/9 | | 39/4=w+9 | | 7/4=x+1 | | a-1=-7/12 | | b-4/5=-64/5 | | 1/4+d=21/4 | | 3/7k=30/7 | | d-1=-11/7 | | t-7=-43/6 | | 9/10+n=-11/10 | | 2/3+n=-13/3 | | -7/8+m=33/8 | | 51/5=m+10 | | a-6/7=-19/14 | | 6/7b=-6/7 | | 3/4k=7/16 | | x+2/5=4/5 | | m+5/8=45/8 | | m+8/9=106/99 | | 3/7+t=52/7 |