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/4 = -3 // + 3
k/4+3 = 0
1/4*k+3 = 0 // - 3
1/4*k = -3 // : 1/4
k = -3/1/4
k = -12
k = -12
| 9/2=d+1/2 | | 2/7x=-1/7 | | n+7=22/3 | | 15=m+5 | | 7+t=22/3 | | 69+69= | | 4y=y+14.33+3 | | w-4=-18 | | 4y=y+10+3 | | -2/5w+1=-31/5+1/5w | | -5n-7=5n-16 | | 2/3a+1/4=-173/12+2a | | -3/4a+2/9=157/18+2/3a | | 2+2/3d=-4/7d-38/7 | | 4y=y+6.33+3 | | 2x+y=1.5 | | y+y+12+y+12+y-12=164 | | 4y=y+4+3 | | 5+4n=-3n+69/11 | | 1+5/6w=-1/2w-41/3 | | 2/7d+8/9=-3/5d-1394/315 | | 7k+4/9=157/90+1/2k | | 7n+9=93/10+6n | | 4y=y+2.33+3 | | 4y=y+1+3 | | 6x-5=3(x+2) | | -1-6k=2k+31 | | 5b-9=-174/7-2/7b | | -a-7/9=-4a+133/72 | | 2/7+2a=5a-145/7 | | 1/4m+5/6=-7m+331/84 | | 4x+6=3x+10 |