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)
y = (1*x)/4-12 // - (1*x)/4-12
y-((1*x)/4)+12 = 0
y-(x/4)+12 = 0
y-1/4*x+12 = 0 // - y+12
-1/4*x = -(y+12) // : -1/4
x = (-(y+12))/(-1/4)
x = 4*(y+12)
x = 4*(y+12)
| 4(x+7)=-21 | | 2(3x-1)=16+2(x-3) | | 3b+8b-5b= | | 3a+8a-5a= | | y/9=112 | | 9y^2+45y=0 | | -0.5x=-0.1x+2.40 | | C=a/a=12*A | | -5x=3x-25 | | 8x+8=6x-10 | | 28=3x-2+6x | | x^2-(4*x)-10=0 | | 8+(-1+3X)=3+X | | 3y+y=x+y | | 12-(7+5x)=5(4+3x)-25 | | X+1.4=9.8 | | 9x+13=2x^2+6x+4 | | 8x+10y=11 | | 3. 8x+10y=11 | | 3+9=y+4-10 | | 3x+13=2x^2+4 | | 4y+3=-8 | | 10x+6=114-2x | | 3(x+3)=45-x | | 11x-5=147-8x | | -7x-3=13+x | | 7x=33+4x | | -21=3(w+8)-8w | | 11x-18=9x+6 | | 5x+2=8-4x | | u-1/4=-5/8 | | 1/5y-5/3=-1/2 |