plot equation of plane

Hi I want to plote the next equation of plane:

Pl1 = -2x -2z

Pl2 = 3y +9

P3 = 6x +3y +27

Pl4 = 4x -2z + 12

Thanks

Answer 1

[Wayne King]

Which plane do you want to plot?

For example, your P3 equation?

 syms x y
 z = 6*x+3*y+27;
 ezmesh(z)

[Noe alvarado]

Pl1 and Pl2