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)
(n+4)/2-3 = 13 // - 13
(n+4)/2-13-3 = 0
(n+4)/2+(-13*2)/2+(-3*2)/2 = 0
n-13*2-3*2+4 = 0
n-22-6 = 0
n-28 = 0
(n-28)/2 = 0
(n-28)/2 = 0 // * 2
n-28 = 0
n-28 = 0 // + 28
n = 28
n = 28
| 28-7x=2(x+32) | | 3x^2=8-30x | | 5(2x+1)-3(x+4)=-21 | | 3x+6789(3456-34x)= | | 19/5x=144 | | 8x-7(-3x-2/-4)=-9 | | 8x-7(-3x-2/-4)=9 | | (3x+8y)+(6x-14y)+90=180 | | 10x+9=22 | | (n/2)-4=10 | | 5y-3y-10= | | 6(2x-1)=5x+3t | | 5x^2-29x+36=0 | | 8x+5=6-(5x-2) | | C^2+4c+3/c+1 | | 7x+2=6-(2x-7) | | (7/3)x-9=-2 | | 4x+5-3x+8x=14-6x | | y=3(2)2+12(2)+4 | | x-19=41 | | -7x-4+8x-4x=18+7x | | 4(2x+2)=-16 | | 2-3(3-6x)=0 | | 10.5=35q | | .5(x^2+4x)=8 | | 10.5/35 | | 7c-(-5)=26 | | 7x+5=6x-9 | | (x-5)(x-5)=4 | | -6=14-11n | | 12=14-2f | | 6-2(3x+4)=9 |