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)
-33 = 3*k-6*k-3 // - 3*k-6*k-3
3-(-6*k)-(3*k)-33 = 0
6*k-3*k-33+3 = 0
3*k-30 = 0 // + 30
3*k = 30 // : 3
k = 30/3
k = 10
k = 10
| 64=x+7x-8 | | 5k+10+5k=120 | | 4b+2-5b=8 | | -1=7t-6t+7 | | 2+3n+5n=82 | | -3n-7-2n=-32 | | 6+3t+3t=-60 | | -39=w+4w-4 | | 2t-5+7t=67 | | 6+7m+7m=76 | | 2=-d+2d-4 | | -12=-3x+4x-6 | | 6a+6+2a=78 | | 1+3w-6w=-32 | | -3+2x+6x=29 | | 5x+6+x=-18 | | d-8+d=-8 | | n+5-6n=65 | | -4a-1+5a=-4 | | 4+5t-6t=-7 | | 3x-2=4x-1 | | 7+4k+3k=56 | | n-1+n=-19 | | 2t-9+2t=-25 | | -42=-7n+n+6 | | -3+5k-2k=6 | | 2-2n-2n=-14 | | 4a+5-3a=11 | | -2+t+5t=-38 | | 2d+6+3d=41 | | 6+7d+3d=-54 | | t+8+4t=-32 |