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)
y/12-7 = y/3 // - y/3
y/12-(y/3)-7 = 0
-1/4*y-7 = 0 // + 7
-1/4*y = 7 // : -1/4
y = 7/(-1/4)
y = -28
y = -28
| 14+6(x-2)=8x-2(x+4) | | 5x-15x^2/25x^2-75x | | 2x+3x-9=21 | | -3r+2=17 | | 4y-6x=7 | | -5t^2+50t+5= | | (12+x)=396 | | -7.2=8g | | -13=3+2x | | 2x=y-5 | | 3xsquared=144 | | 5-(1/2)x=(5/8)x+2 | | 63=1.4x | | 3r+10=2r-20 | | 7(x+2)=x(6) | | 6g-11=37 | | 3(3x+1)+7=9x+10 | | (x^2-2)(x^2-2)+3(x^2-2)=10 | | 5xy+6x^2-2yx-8x+2xy-11x^2= | | -4x^3-2x^2+20x=0 | | 6+2x=x+5 | | 5x/9=(172-x)-32 | | 2x^3+50x^2-52x=0 | | -8x^2+8x+70=0 | | y^2-24y+80=0 | | 59+5x+68+4x= | | 30000=30(1+.6)t | | 20s=p | | 8lnx=48 | | y/z=12 | | 7(11x-2)=-42 | | 2x+3x=4x-9 |