What is the answer to 16+x=12

 16 + x = 12
-16         -16

        x = -4

An orthographic drawing is a method that allows someone to represent a three-dimensional object on a two-dimensional piece of paper. By drawing the object from various angles, the artist is able to show how the object looks in the real world. The process is called orthographic projection.

The answer is B. orthographic drawing