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smartgirl101

  • 2 years ago

Use the substitution method to solve the system. x + 7y = 7 2x - 3y = -3 Type your answer as an ordered pair. (x,y)

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  1. kymber
    • 2 years ago
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    First thing ya wanna do is solve for a variable so x = 7 - 7y |dw:1334254783676:dw| Then plug it into the other equation (substituting) like so |dw:1334254853696:dw| So y = 1 And then you plug y back in to find x :D

  2. smartgirl101
    • 2 years ago
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    thanks |dw:1334254882787:dw|

  3. kymber
    • 2 years ago
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    I got zero! :P Remember to right your answer as an ordered paaair! |dw:1334255229724:dw|

  4. smartgirl101
    • 2 years ago
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    |dw:1334255147354:dw|

  5. kymber
    • 2 years ago
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    It's zero! You can check your answer by plugging it into the problem.. |dw:1334255332759:dw|

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