If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
-28 = y/4-12 // - y/4-12
12-(y/4)-28 = 0
-1/4*y-16 = 0 // + 16
-1/4*y = 16 // : -1/4
y = 16/(-1/4)
y = -64
y = -64
| 3(t-5)-t=-7k | | 2/9×x-4=2/3 | | -3(x+9)+8=-19 | | 3x^2+15=18 | | (x+7)3=-4x | | -3y+4(4.25+.75y)=17 | | 7y+2x=28 | | 5x-.25=3x-5/4 | | 4(2+8)-3s=-2 | | 3r^3+4r^2+2r=0 | | -3y+4x=17 | | 7.25+8.3-3= | | -5+-11x+2x^2= | | -13k+10=k+2 | | 1/3x-4/9=4/9 | | 2x^2-11x-5= | | Y^2+8xy-20x^2=0 | | (1+x)*(1-x)/x≤0 | | 1-5x=7x+6 | | -1-5x=7x+6 | | x^2+15=18 | | f(x)=x^3+3x^2-25x-75 | | 0.2x=0.12x+0.64 | | (2x-24)-90=180 | | 250/400*2 | | 2x+12=6x-20 | | -3x=6x-5 | | 10*x^2=10000 | | 4x-7=29x+18 | | 11(d-6)=44 | | h=6+55t-16t(t) | | 10(c+3)=120 |