If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
(1/2)*n-4 = 12 // - 12
(1/2)*n-12-4 = 0
1/2*n-16 = 0 // + 16
1/2*n = 16 // : 1/2
n = 16/1/2
n = 32
n = 32
| N+44=0 | | X-4/19=0 | | 2w^2+8w-7=0 | | 2[x-3]-6=4 | | =-10y | | 2y+3=16 | | y=(2x-5)(x-6) | | G(x)=x/x^2-4 | | 5x-2(2x+4)-(x-6)=0 | | 2*(x+1)=9*(x-4) | | 2x-92=180 | | ln(x+70)=6 | | 15+2x=-8 | | 7-3(x+1)=x-3(x+1) | | x=15+5*4 | | x^2lnx-(x^2)/2 | | 100=70+3x | | 100=70+30x | | B-18=21 | | 7=4x-11 | | y=ln(6x^3-4) | | (x+iy)*(x+iy)=2x | | 3x=3-(3/2)x | | 3×x=3-(3/2)×x | | 7(x+11)=41-x | | 7(x+11)=41 | | 7=2/3(4-3) | | 2x+2-3x-6=36+6x | | (x)ln(x)=0 | | z^8=3 | | 0.4(x+5)=2.96 | | 4x^2+14x=4 |