6(x + 2) - x = 4(x + 4) + 7 x = 11
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The given area of the ft. by 33 ft. wall less the areas of the Windows and the Door give the area of the painted part of the wall as
ft.²
The area of the painted part of the wall is ft.²
The given dimensions of the wall are;
The width of the wall = ft.
The height of the wall = 33 ft.
The painted area = Area of the wall - (Area of the widows + The door)
Which gives;
The area of the painted part of the wall is ft.²
Learn more about the area of a rectangle here: