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teenandtoddlermom

  • 2 years ago

Use the elimination method to solve the system of equations. a +9b=21 a +4b=6 Is there one solution (if so simplify your answer) infinite solutions or no solutions?

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  1. Agent47
    • 2 years ago
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    a= 21-9b 21-9b+4b=6 21-5b=6 -5b=-15 b=3 a= 21-9*3 = 21-27 = -6

  2. Agent47
    • 2 years ago
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    please tell me i got this thing right

  3. teenandtoddlermom
    • 2 years ago
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    I don't know I am asking you for help LOL

  4. Agent47
    • 2 years ago
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    that was directed @others

  5. razor99
    • 2 years ago
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    wait that is simulataneous equation right

  6. mashitah
    • 2 years ago
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    the answer is correct,,i've calculate it^^

  7. teenandtoddlermom
    • 2 years ago
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    but i have to find an ordered pair.

  8. Agent47
    • 2 years ago
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    (-6, 3)

  9. teenandtoddlermom
    • 2 years ago
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    Thank you for showing me the steps and helping me Agent.

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