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Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   0x+2y−3z=4,−2x−3y−1z=5,0x+0y+1z=−2\;0x + 2y - 3z = 4, \quad -2x - 3y - 1z = 5, \quad 0x + 0y + 1z = -2. What is yy?