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SavannahWillett

  • one year ago

Solve for the variables. 3x + 4y = 10 + 3y 2x + y = 4 - x

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  1. ashleyjade
    • one year ago
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    so you first get the x's and y's together

  2. SavannahWillett
    • one year ago
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    3x + y = 10 and 3x + y = 4?

  3. swissgirl
    • one year ago
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    Yes

  4. swissgirl
    • one year ago
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    Umm can we use substitution?

  5. SavannahWillett
    • one year ago
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    Every time I tried, everything ended up canceling out, giving me 0=0.

  6. primeralph
    • one year ago
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    |dw:1374203651506:dw|

  7. primeralph
    • one year ago
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    |dw:1374203772348:dw|

  8. primeralph
    • one year ago
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    @SavannahWillett No solutions exist.

  9. SavannahWillett
    • one year ago
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    a) x = 1; y = 1 b) x = -1, y = 0 c) Always True d) None of these So the answer would be d?

  10. primeralph
    • one year ago
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    Yeah.

  11. SavannahWillett
    • one year ago
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    Thank you guys!

  12. primeralph
    • one year ago
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    You're welcome.

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