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)
x/(-3) = -9 // + 9
x/(-3)+9 = 0
9-1/3*x = 0 // - 9
-1/3*x = -9 // : -1/3
x = -9/(-1/3)
x = 27
x = 27
| 6x+6(5x+-13)=-6 | | 6(x+8)=8(x-4) | | 256x+1296=25 | | 3(f-7)=-12 | | 8u=272 | | x^4-(15x^2)+44=0 | | -10+5x=10 | | -3z-12=-6z+12 | | 10(a-9)=-117 | | 12x^2-24x+11=0 |