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  • 3 years ago

Solve the system of equations 2x - y + 2z = 15 -x + y + z = 3 3x - y + 2z = 18

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  1. henpen
    • 3 years ago
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    z=3+x-y Substitute 2x - y + 2(3+x-y) = 15 3x - y + 2(3+x-y) = 18 &Solve

  2. micahwood50
    • 3 years ago
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    ^This

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