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)
5*k+5*k+2 = 52 // - 52
5*k+5*k-52+2 = 0
10*k-50 = 0 // + 50
10*k = 50 // : 10
k = 50/10
k = 5
k = 5
| 25=4n+4n+9 | | 3k-1+6k=-10 | | 7+3b+6b=16 | | t+2+2t=-7 | | 47=-6m-6m-1 | | -8+5a+3a=-72 | | -2-n+7n=46 | | -65=2m+5m-2 | | 3(1+2x)=5(x-4) | | 4d+10-3d=19 | | 5+2a+3a=-30 | | 9-3m-m=-7 | | -4m+9+m=45 | | 83=4t+7t+6 | | -12=m+3m+8 | | 6m+3+5m=135 | | -10+5t=-60 | | -3n+6=-15 | | -8+5w=-58 | | 5+7t=5 | | 6k-6=54 | | -5+2x=3 | | 4b-10=30 | | -1+4k=-1 | | -1+7w=76 | | -3b+7=4 | | 4+6a=16 | | -3k+3=-15 | | 5a+9=64 | | -6t+1=31 | | 6a+5=-37 | | 2+7m=58 |