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Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   −3x−1y+2z=−2,0x−2y+3z=−3,2x+4y+0z=0\;-3x - 1y + 2z = -2, \quad 0x - 2y + 3z = -3, \quad 2x + 4y + 0z = 0. What is yy?