emilyanita06 emilyanita06 12-09-2022 Mathematics Answered Solve using Gaussian elimination. −4x−2y−4z=−24 3x−2y+5z=31 2x+4y−3z=−9 A) 4 / -2 / 3 B) 4 / 2 / 3 C) -2 / 3 / 4 D) 2 / 3 / 4