MathCastle
Linear AlgebraHardRow Reduction & Rank

Row Reduction & Rank · Hard problem

Solve the system   −1x−1y−2z=−8,−3x−1y+2z=6,−1x+4y+0z=−5\;-1x - 1y - 2z = -8, \quad -3x - 1y + 2z = 6, \quad -1x + 4y + 0z = -5. What is yy?