If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
(1/2)*(12*f-2) = 9*f // - 9*f
(1/2)*(12*f-2)-(9*f) = 0
(1/2)*(12*f-2)-9*f = 0
1/2*(12*f-2)-9*f = 0
1/2*(12*f-2)-9*f = 0
-3*f-1 = 0
-3*f-1 = 0
-3*f-1 = 0 // + 1
-3*f = 1 // : -3
f = 1/(-3)
f = -1/3
f = -1/3
| 3(-5y+5)=0 | | 45+0.15x=35+0.25x | | x*0.06=108 | | 9x+5=4-(9x-9) | | 2.1q-4.9-5.4q=4.3q-5.2 | | (xy+y)dx+(xy+x)dy=0 | | -3x-2=3x-32 | | -9+3x=-24 | | -8-4(-6x-9)=(6x-1)-1 | | X+30=12 | | 4/(x^2-1)=1/2 | | 2x=7x+36 | | x-1+4+8=180 | | 4z/7-4=3 | | 11-2x=7x+29-(9x+18) | | 24x-17=6x-2 | | -3(3x-3)+5x+4= | | 8/(x^2-1) | | t+16=27 | | 2p+7=3p+10 | | 4(x+1)+2x=-8 | | 5(x-2)+4=9 | | 9-3=9 | | X+2=17+2 | | 5(2x+3)=38 | | y(3)=17 | | -x-3=3x+11 | | 2X+KY=10 | | 5(x-2)+1=-19 | | 52,675.404=1/3*b*54.8 | | 2(x+3)=8x-7-5x | | x+78=5(x+2) |