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)
(1/2)*k+1/4 = 4 // - 4
(1/2)*k+1/4-4 = 0
1/2*k-15/4 = 0 // + 15/4
1/2*k = 15/4 // : 1/2
k = 15/4/1/2
k = 15/2
k = 15/2
| x-2y=-18 | | 4p-31=11-2p | | -1+7(x-2)=16x+5-9x | | 9xy-5y=4 | | 2m+6=m | | 0.4(x+2)=2 | | 3b/10b3 | | 40/31= | | (1+2x/2)+(3-x/3)=(29/6) | | At-13=57 | | (-2x-6)+(-.25x-3)=90 | | p/4+5=23 | | -4(8r+9)=33 | | 5*5x=25 | | 4=29-5 | | 6t=720 | | m^2-7x+12=0 | | 7*0-4y=-28 | | y-5=36 | | 940=8n | | 3x/8-4x/3=4 | | 2(x-2)=(2/3)(4x+2)+2 | | 3a+2+49=23 | | 7k^2/4k^3 | | 4=6-8 | | 360=4x | | 2/5+31/40= | | -2n=-5x-28 | | 9=5-6 | | 13v+8=65+10v | | 10x-4x+2=14 | | (1/2)(y-2)+4=(5/6)(6y-18) |