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)
7*k+2 = 98-k // - 98-k
7*k+k-98+2 = 0
8*k-96 = 0 // + 96
8*k = 96 // : 8
k = 96/8
k = 12
k = 12
| 7+6w=2w+31 | | 6+w=2w+13 | | -8+6m=3m-11 | | -3(m+4)=24 | | -9(5-9x)+1= | | -3(6n-5)+4n= | | -3w-9=2w-59 | | 2n+8=7n-2 | | 2b+3=7b+28 | | -6k+3=6k-9 | | -4d+1=-76+3d | | 2+2k=5k+17 | | 5m+10=m+14 | | -2n-9=5n-9 | | -3a+9=57+a | | -6a-9=-13-7a | | -1+7w=5w-15 | | 3n+10=-2n+60 | | 4w-2=7w-11 | | -6m-1=34+m | | 6n+7=-15-5n | | 6m+1=37+2m | | -3d+5=6d-67 | | 9+6d=-5d-68 | | 2n-5=-5-n | | 5m+5=32-4m | | -1+2m=-3m-21 | | 2x+2=4+3x | | -x-2=2x+34 | | -4b-3=4b-27 | | 5x+1=7x+25 | | 1-5m=3m-71 |