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)
3 = x/(-12)-4 // - x/(-12)-4
3-(x/(-12))+4 = 0
1/12*x+7 = 0 // - 7
1/12*x = -7 // : 1/12
x = -7/1/12
x = -84
x = -84
| 2-6(4b+3)=-8b-32 | | x+60=3x+10 | | -13b^2+5b-b^2= | | -12-4=3 | | 3x/3+3/3=13 | | 3b-9b=11 | | -3(2-4r)=2(er-4)+8 | | 6n-2n=8 | | 3(9+k)=80+2k | | 21=x^2+4x | | (b-4)6=b | | 3+8-35+11= | | 5(x+1)=3x+12 | | 9x-15=-63 | | 6x/2-2/2=11 | | x/7-2=-21 | | 5f/9-2/3=25/6 | | 6x-2/2=11 | | X+31.00=34 | | 6=-4v+5v | | 4x^2-7x+13=4x+7 | | 3(43-5y)/3+5y=43 | | 3x-7+2x+2=180 | | 3/4(3+2x)=2/3(4+x)-1 | | 6x^2-5x-4=0# | | X+31.00=65 | | 4x-2(4x+4)=24 | | 224-7x=29x+20 | | x^2+6x-35=-2x-2 | | 21=-2x+6 | | 4(2y-1)=3y-4 | | -6/3+6 |