If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(1/2)*y = x-4 // - x-4
(1/2)*y-x+4 = 0
1/2*y-x+4 = 0 // - 1/2*y+4
-x = -(1/2*y+4) // * -1
x = 1/2*y+4
x = 1/2*y+4
| x+47=69 | | x+202=511 | | 5x+7x-13=2x-5 | | -22-2n=8(2-4n)-8 | | -15-4x=8x-37 | | -1/4m-2=5 | | 5x+17x+4=180 | | 25*15/56= | | -5(w-5)=4w+43 | | x^2-x=7/4 | | 4x-1=32 | | 4x+4=2x+16 | | ln(8-x)=0 | | 44=-8x-4 | | 3(t-4)=-2(t+3)14 | | 8x-4x=o | | -x^2+2x+3=y | | 6/-6 | | 2/7-3/5=6/35 | | x^4-18x^2+91=0 | | 3y-3=6x | | 36-9r= | | (a+3)(a+3)(a+3)=0 | | 0.44= | | 15c+40= | | X^3+6x^2+9x-1=0 | | 0=-16t^2+22t+20 | | 12/-6 | | (3u-7)(9+u)=0 | | -10n-1=0 | | 3(4+2m)= | | 3/4(24-8z)-16=-2/3(6z-9) |