Given:

* Points: A(3, 3, 3)

* Plane: , which in cartesian form is:

5x + 2y – 7z + 9 = 0

We know, the distance of point (x₁,y₁,z₁) from the plane

is given by:

Putting the values

⟹

⟹ units

∴ the distance of the point (3, 3, 3) from the plane

is units.