What is the graph of #2x + y + z = 3#? Precalculus 3-D Cartesian Coordinate System Planes 1 Answer Tony B Oct 27, 2015 See screen capture: Explanation: Answer link Related questions How do I find the Cartesian equation of a plane containing two given lines? How do I find the Cartesian equation of a plane containing three given points? How many points are needed to establish a plane? What is the point-normal form of the equation of a plane? What is the general form of the equation of a plane? In what ways can two planes intersect? What can be said about two lines that are perpendicular to the same plane? What can be said about two planes that are perpendicular to the same line? What is the graph of #4x − 2y + z = −1#? See all questions in Planes Impact of this question 3775 views around the world You can reuse this answer Creative Commons License