Mariana0713 Mariana0713
  • 11-12-2019
  • Mathematics
contestada

Solve the system of equations using matrices. Use Gaussian-Jordan elimination.
6) 7x - y + 2z = 21
9x - 3z = 0
3y + z = 21

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caite8
caite8 caite8
  • 11-12-2019
Multiple them u will get the answer
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