alahewett6381 alahewett6381 22-09-2018 Mathematics contestada what is the solution to the following system? 3x+2y+z=20 x-4y-z=-10 2x+y+2z=15 A. (2, 3, 4) B. (4, 3, –2) C. (4, 3, 2) D. (6, 7, –2)
