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)
9/12 = 3*y // - 3*y
9/12-(3*y) = 0
9/12-3*y = 0
3/4-3*y = 0 // - 3/4
-3*y = -3/4 // : -3
y = -3/4/(-3)
y = 1/4
y = 1/4
| -308+13x=132+24x | | -95=-2v-7(5-2v) | | (x+a)(x-a)-x(x+b)=c | | -3(x+2)=2x+4 | | 81-x^2=x^2+4x+11 | | -6(a+4)-7a=-128 | | x^4+4x^2-60x+225=0 | | -2.3=1.4+0.6 | | 4(x+4)+y(x+4)= | | 8-7a=16-3a | | -9u=-18 | | (5+7p)(2)= | | 3xy-10=14 | | (2-x)(1+x)(3-x)(x-5)=0 | | X/67 | | -5k+7+8=-5k+15 | | p/3-19 | | 121.1=-19.3-4x | | 9n^2=-10n+9 | | -u/4=24 | | p^2+10p+c=0 | | 3x(-4)-4x-5/1 | | 5x-3(2x-4)=2(x-1)+4 | | 7j=16j-18 | | 7=y+9 | | p^2-5p+c=0 | | 3n-8=n+15 | | z^2+18z+c=0 | | 144=36m^2 | | 5+4x-4=-23 | | 8x^2+16x+76=0 | | 10x+20=5x+40 |