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)
X/4-X-12 = 0
-3/4*X-12 = 0 // + 12
-3/4*X = 12 // : -3/4
X = 12/(-3/4)
X = -16
X = -16
| X/4-12 | | -4(-8x-4)+5x=-2 | | 3.8y=y+2+6.7 | | -4(5x+2)=2 | | 6x^2-2x-14y+3x= | | -400.00x+4000.00=2400 | | -5x+7+7x=-2 | | 2.8y=y+2.2+1 | | (3w^3+4w^3)+6w^2-4w+(7-1)= | | 4x^2+16x-33=0 | | 1+5/5(2x0) | | 63+5u^2=263 | | -10x-11+12x-17=4 | | 1+5/(2x0) | | x-1x+3=2x-2x+1 | | 8x^2+16x-42=0 | | 5x-32+7x=16 | | 2-2+1(2/2) | | 71+7k=92 | | x^2+10x+31=0 | | 9x^2+18x-91=0 | | 5n=60-5n | | 7n+1=6n-1 | | -400.00+4000.00=2400 | | -1(-3-x)=5 | | 7-2(3x+2)= | | -1(-3x)=5 | | y+10=-2(x-5) | | 10x-38.1=1.9 | | A(bx+c)=d | | 42-3(2c+5)= | | 1(x+1)=4 |