Report - 25231 19211 31213 25=2z2z+3y3y+x 19=2z2z+y+x 31=2z2z+y+3x3x 4100 9310 -19-521 4=z 9=3z3z+y -19=5z5z–2y2y+x 8.1 Matrices & Systems of Equations Augmented.

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