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)
k+2 = (6/7)*k+149/70 // - (6/7)*k+149/70
k-((6/7)*k)-(149/70)+2 = 0
k+(-6/7)*k-149/70+2 = 0
1/7*k-9/70 = 0 // + 9/70
1/7*k = 9/70 // : 1/7
k = 9/70/1/7
k = 9/10
k = 9/10
| 2x+5/7=3x-17/84 | | 3x+4/9=-1/45+2/3x | | 16u^6+28u^4+12u^2+21= | | 2/3k-2/5=-11/15+k | | -1/4-4d=3d-235/44 | | X-4=-19 | | 2/3+3/5t=7t-278/15 | | -1/3b+4=-7b+232/3 | | -3/5t+4/7=7t-262/7 | | 7.20/6 | | -7/9-3n=6n-25/9 | | 3/7k-8=k-173/21 | | 4/7-6m=m-41/14 | | 3/5+4w=-1/5w-228/5 | | 4k-3/10=-273/10+k | | 3/8-7a=3a-477/8 | | 2/3b+3/5=-14/5-5b | | 2/5n+7=3n-4/5 | | -x+1/5=3x+191/55 | | -2/7x-5=-359/70-3/7x | | 8-1/3w=7w+68/3 | | 3b+3/4=6b-9/4 | | 3k-4/5=4k+16/5 | | t+10=-5/6t+251/24 | | 5b-2=7b-14 | | x-(-5.4)=41 | | 2/3d+3=109/15-2/5d | | 5w+10=4w+13 | | -5/6+m=-2/3m-11/6 | | 2/9-2d=4d-52/9 | | -2/5w+3/4=211/20+w | | 5a-7=25/9-6a |