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)
2-k = (1/2)*k+2 // - (1/2)*k+2
2-k-((1/2)*k)-2 = 0
(-1/2)*k-k-2+2 = 0
-3/2*k = 0 // : -3/2
k = 0
k = 0
| 1+2n=6n+37 | | 3-4/7w=-3/4w+6/7 | | 3b-6=-b-38/7 | | 7k+4=-5k-92 | | 1/2w+3/5=63/5-w | | -1/2+w=6w-61/2 | | 1/4+2m=1/4m-3/2 | | 1/4t+3/5=-t-213/20 | | 5w-1=-103/40-1/4w | | -3/4n-7=-21/4-n | | 4+3/4d=7d-31/36 | | -5t^2+20t+100=0 | | 1/2a+1=-5/6a+17/9 | | 5/6k+5/8=1067/1080-4/5k | | 1/3+5x=2/3x+16/9 | | x-1/2=5/7x-57/154 | | 4n-1/2=139/2-3n | | -2/3t+9=7t-226/3 | | 1/2t+5/6=t+7/3 | | 1/6k+8=107/22+4k | | -2/7n+2/5=-4/7n+64/35 | | -5n-6/7=6n+225/7 | | 2t+3/4=t+13/12 | | 4+3/5n=2n-36/5 | | 4w+1=2w+8/3 | | 4/5+5n=6n-41/5 | | 9+x=-2/3x+68/7 | | 1+1/6n=-4n+77/2 | | 5/9+7x=2x+455/9 | | 7a-4/7=a-128/77 | | -2/7x+1=-1/6x+79/84 | | 6t+10=4/5t+36 |