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Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   −1x−2y+4z=−16,2x−1y+2z=−8,−3x+3y−2z=12\;-1x - 2y + 4z = -16, \quad 2x - 1y + 2z = -8, \quad -3x + 3y - 2z = 12. What is xx?