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casidy_albright_96 Group Title

Use elimination to solve the systems of equations: -x+2y=18 x+8y=-38

  • 2 years ago
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  1. Didgeridoo Group Title
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    Add the two equations together to start.

    • 2 years ago
  2. Didgeridoo Group Title
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    You will get 10y = -20 Divide to solve for your y y=-2

    • 2 years ago
  3. Didgeridoo Group Title
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    Next, take your y, and substitute that into either of the first two equations. I'll use the second...

    • 2 years ago
  4. casidy_albright_96 Group Title
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    x=-22?

    • 2 years ago
  5. Didgeridoo Group Title
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    Nicely done!

    • 2 years ago
  6. casidy_albright_96 Group Title
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    so the final answer is (-22,-2)?

    • 2 years ago
  7. Didgeridoo Group Title
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    Yep

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  8. casidy_albright_96 Group Title
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    thank you!!!

    • 2 years ago
  9. Didgeridoo Group Title
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    No problem

    • 2 years ago
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