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Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   −3x−3y+4z=−4,2x+3y−1z=−1,−3x+3y−3z=−9\;-3x - 3y + 4z = -4, \quad 2x + 3y - 1z = -1, \quad -3x + 3y - 3z = -9. What is xx?