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)
(-4/5)*k-5 = -29/5 // + -29/5
(-4/5)*k-(-29/5)-5 = 0
(-4/5)*k+29/5-5 = 0
4/5-4/5*k = 0 // - 4/5
-4/5*k = -4/5 // : -4/5
k = -4/5/(-4/5)
k = 1
k = 1
| 1/3n-8=-272/33 | | -a+1/7=6/7 | | 1/5b+4=9/5 | | 2+2x=38/11 | | 4+a=12 | | 7a-3=-13/2 | | 2/5+4n=202/5 | | -w-1/2=-5/6 | | 10-m=0 | | 2/9+1/3m=19/45 | | 3/7w+10=61/7 | | -9+4a=-53/5 | | 89x+x=2-2x | | 4-4b=2 | | x^2+6x-xi-6x-36+6i-xi-6i-i^2=0 | | 32x^3+6x^2=9x | | 3/7+3m=-51/28 | | 7a+2/3=-166/3 | | -3/4+2t=5/4 | | 5d+6=17/7 | | -5/6a+8=13 | | 5+3/7n=19/4 | | 6/7m-1/3=-1/21 | | 1/3a+2=50/27 | | 3/5a+3/4=21/44 | | 4/7+6x=380/77 | | -5/8-6n=119/40 | | -7t+2=4/9 | | 9+3d=24 | | -n-7/10=53/10 | | 1+3/4n=-13/2 | | w+2=27/11 |