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)
6-12 = x/2 // - x/2
6-(x/2)-12 = 0
-1/2*x-6 = 0 // + 6
-1/2*x = 6 // : -1/2
x = 6/(-1/2)
x = -12
x = -12
| 3(4x+3)=69 | | 8x+5x=14+21 | | 3x+3x+3x+3x=180 | | 2x(x+2)=1020 | | (-3v-4)+(6v-7)= | | 2x(x+4)=1020 | | B^2+b=56 | | log(3x+4)=1.2 | | 2x^4-4x^3-14x^2+16x-24=0 | | ln(3x+4)=1.2 | | 3/4h-1=2/3 | | (b)ln(3x+4)=1.2 | | 7x+4x=14+20 | | 4x^2-4x-8y+9=0 | | s-20/-16=14 | | 5(2x-10)=-50 | | 12x-180=720 | | Sin•(3.14/12)=0 | | 14+4k=2k | | 8(g-5)= | | Qx-6=Px-103 | | Sin•(3.14/12) | | 6x+3x=13+19 | | -45x+12=117 | | -16y+7=5y | | 8z-28=-16+5z | | 3x^2+2x-290=0 | | (.5-x).000004=x^3 | | -16y+7=5t | | 6s-26=-36+s | | (5+i)(4-2i)= | | 12y+3-2y=7y+4-10 |