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Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   0x+4y−2z=−6,−2x−3y−1z=14,2x+0y+2z=−8\;0x + 4y - 2z = -6, \quad -2x - 3y - 1z = 14, \quad 2x + 0y + 2z = -8. What is yy?