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+6 = 7 // - 7
k-7+6 = 0
k-1 = 0 // + 1
k = 1
k = 1
| -1/24=d-7/8 | | k-5/7=9/7 | | 4/5=m+1 | | -7=k-8 | | w+7=11 | | w/2=-5/6 | | 47/60=x+1/5 | | m+5/8=13/8 | | 6d=-18 | | x=1/8 | | -13/3=m-1/3 | | b+3/5=38/5 | | n/-6=-4/5 | | k/2=4/7 | | k+6=9 | | 1/4+a=-21/44 | | t+5=6 | | 2/5+m=11/40 | | d-2=8 | | -5/9+n=31/9 | | d-3/5=-18/5 | | 5/9=w+5/9 | | n+1/4=9/4 | | -3/8+t=-1/24 | | w/6=-1 | | -45/4=x+3/4 | | b/3=6 | | k+2/5=42/5 | | -88/9=b-10 | | t/2=-2/3 | | m-10=-82/9 | | b/-6=4 |