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anonymous

  • one year ago

I WILL MEDAL AND FAN What is the solution for the following system? 3x+3y=10 -9x-9y=-30

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  1. anonymous
    • one year ago
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    hi

  2. anonymous
    • one year ago
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    I have Nooo idea how to answer that question

  3. anonymous
    • one year ago
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    me ehthier

  4. anonymous
    • one year ago
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    either

  5. Ghostgate
    • one year ago
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    Hmmm... normally I would suggest using the elimination method to solve it... but that doesn't come out to anything.

  6. anonymous
    • one year ago
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    yeah its not even a multiple choice i have to do steps for it but its super confusing to me.

  7. Ghostgate
    • one year ago
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    The only thing I can think of out of the box is that x and y equal 1.67(1 2/3) which gives you half of the sum amount, other than that there is nothing specific to work with since you know neither x or y... what a confusing question... I hope that helps in someway and perhaps is the answer. Have a great day! {---Ghostgate---}

  8. MrNood
    • one year ago
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    if you multiply the first equation by -3 you will see that it comes out as exactly the same equation as the second. Therefore these are not 2 independent equations and do not have a unique solution

  9. MrNood
    • one year ago
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    |dw:1444425474358:dw| Normally if you graph the 2 equations there will be one point of intersection BUT in this case the 2 lines co-incide at all points - so there is no unique solution

  10. anonymous
    • one year ago
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    I already got it but thank you.

  11. MrNood
    • one year ago
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    and what did oyu 'get'?

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spraguer (Moderator)
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