Multivariable CalculusChallengeVectors in Space ShareVectors in Space · Challenge problemThe point (3,1,2)(3, 1, 2)(3,1,2) is reflected in the plane x+y+z=0x + y + z = 0x+y+z=0. What is the xxx-coordinate of its image?Check Show answer Walk through it step by step Practice more like this Review this concept