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anonymous

  • 4 years ago

How would you solve this system?: u-t=5 10t+u=3(t+u)

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  1. Hero
    • 4 years ago
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    I guess you didn't understand my steps

  2. anonymous
    • 4 years ago
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    I just don't get the 10t+u=3(t+u) part.

  3. Hero
    • 4 years ago
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    It's not that difficult. Think outside the box

  4. anonymous
    • 4 years ago
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    There's actually a difference between the other question. Can other people try and respond to this question as well?

  5. Directrix
    • 4 years ago
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    u-t=5 10t+u=3(t+u) -------------------- u = 5 + t Substitution 10t + (5 + t) = 3 ( t + (5 + t) ) 10t + 5 + t = 3t + 15 + 3t 11t + 5 = 6t + 15 5t = 10 t = 2 u = 5 + t u = 5 + 2 = 7 Solution ( 2 , 7 )

  6. anonymous
    • 4 years ago
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    Thank you!

  7. Directrix
    • 4 years ago
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    Glad to help. Thanks for the medal.

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spraguer (Moderator)
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