Solve this System of Equations using the…

Discussion in 'Mathematics' started by Tzmod, Sep 11, 2018.

  1. Tzmod

    Tzmod New Member

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    Solve this System of Equations using the Elimination Method. — x — 7 y=9 — x +9 y=-23
     
  2. Lokidev

    Lokidev New Member

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    -x — 7 y=9-x +9 y=-23=-7 y — 9 y=9 — (-23) -16 y=32 y=-2=-x -7*(-2)=9-x +14=9-x=9 — 14-x=-6 x=6 (6; -2)
     

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