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+3)/4 = k/3 // - k/3
(k+3)/4-(k/3) = 0
(k+3)/4-k/3 = 0
(3*(k+3))/(3*4)+(4*(-k))/(3*4) = 0
3*(k+3)+4*(-k) = 0
9-k = 0
(9-k)/(3*4) = 0
(9-k)/(3*4) = 0 // * 3*4
9-k = 0
9-k = 0 // - 9
-k = -9 // * -1
k = 9
k = 9
| 3n-13=8n+7 | | -16x^2+215x-178=0 | | 2x+9x=3x+3 | | e+3/16=5/16 | | e+13/16=5/15 | | -4(1q+x)=-3(5-x) | | -14=-4(9x+1) | | 8x+5x-1x+3-x=48 | | p-5=-9+p | | 7+x=50 | | 15x=1/3 | | -4(1q+x)=-3(5-z) | | 6/5(8x+2)=36 | | 9x4y7/3x6 | | -16x^2+215x+14=0 | | l=(c+3d)/7 | | 9(3-8f)-2f= | | k+3/4=k/3 | | 12-0.8(x+15)=14 | | 4x-2=14+2x | | 25+16=15-25 | | 3(2a-b)-(5b-3a)= | | 24x+9*2-12/4=23-2*4*-2x | | 2x+3=162 | | 14x-44=20x-2 | | 22.59=3s+4.41 | | 13-5m+6m=4 | | 6=-x | | 2f-3g=4hforg | | -81=7k+19+35 | | 4-x+5x=70 | | 3g-2f=4h |