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)
(-1/3)*k = -2/3 // + -2/3
(-1/3)*k-(-2/3) = 0
(-1/3)*k+2/3 = 0
2/3-1/3*k = 0 // - 2/3
-1/3*k = -2/3 // : -1/3
k = -2/3/(-1/3)
k = 2
k = 2
| x^2+7-5+4=y | | 5=17-6k | | a-5=-41/9 | | k-1/3=-10/3 | | 3/4w=9/2 | | t/-3=-7 | | a-2/5=33/5 | | 12=7x-16 | | 2+b=-10 | | a+8=107/12 | | 5/6k=-15/2 | | 5/8+m=15/88 | | 3/7b=27/77 | | 19/5=x+3 | | 1/3+a=2/15 | | 12-3t=7 | | -7d=21/8 | | w/2=-1/5 | | k-7/9=-1/9 | | 8-2k=5 | | k+4=55/12 | | 1+x=9/7 | | 4-7f=11 | | 7n=28/5 | | 5/7m=5/21 | | 10+m=91/10 | | 15=b+8 | | w+10=12 | | 1/4=x+1 | | w-9=-6 | | m+2/5=57/5 | | t+10=19/2 |