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)
3*k-4 = -2*k-39 // + -2*k-39
3*k-(-2*k)-4+39 = 0
3*k+2*k-4+39 = 0
5*k+35 = 0 // - 35
5*k = -35 // : 5
k = -35/5
k = -7
k = -7
| w+9=7w+9 | | 7+2k=6k-29 | | -6b+2=b-40 | | -9+7k=4k-42 | | -7m+3=-69+m | | -6m+1=4m-109 | | -6t+7=-65+2t | | 6n+4=40-6n | | 6a-5=-4+5a | | 3k-5=-6k-113 | | 3k-4=7k-36 | | 3+3n=n+11 | | 7+2b=-7b-74 | | x+4=-4x+4 | | -2t+10=5t-74 | | 18/15=x/100 | | -7+5b=4b-2 | | 6n+10=5n+18 | | d-2=94-7d | | -6a-1=7a+12 | | 6d-2=-6d-38 | | -3n+9=-n-5 | | 5m+10=80-2m | | 11z=28+71 | | -6b-8=5b+124 | | 3+6t=3t+30 | | 6d-6=-28+4d | | w-5=-25+3w | | 7+4k=7k+13 | | -2+7m=3m+38 | | 4x+2=-6x+2 | | -2w-8=5w+27 |