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dinorap1

  • one year ago

What is the equivalent form of the equation 3x-3y=15 ?

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  1. triciaal
    • one year ago
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    divide each term by the common factor

  2. dinorap1
    • one year ago
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    Every answer is like 5=x-5 and I don't understand how you would simplify 15 to be 5...

  3. triciaal
    • one year ago
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    |dw:1442247959814:dw|

  4. dinorap1
    • one year ago
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    3 is common, so you cancel both of the 3's out or what? What did you do to the 15?

  5. triciaal
    • one year ago
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    |dw:1442248127829:dw|

  6. triciaal
    • one year ago
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    |dw:1442248178343:dw|

  7. dinorap1
    • one year ago
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    Sorry I'm so confused... this is the question on the test.

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  8. triciaal
    • one year ago
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    pretend it is not a test so you can read properly

  9. triciaal
    • one year ago
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    do you understand we divided by 3 since it was a common factor? now we want to make it in the form y = so we leave y on one side and take everything else to the other side of the equation

  10. triciaal
    • one year ago
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    whatever you do to one side also do the same to the other side to maintain the balance

  11. dinorap1
    • one year ago
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    Yes, I understand that I'm supposed to do that. I don't understand what you did to both of the 3's though.

  12. triciaal
    • one year ago
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    |dw:1442248557212:dw|

  13. triciaal
    • one year ago
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    x - 5 = y

  14. triciaal
    • one year ago
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    |dw:1442248717763:dw|

  15. dinorap1
    • one year ago
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    |dw:1442248816577:dw|

  16. triciaal
    • one year ago
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    |dw:1442248883097:dw|

  17. triciaal
    • one year ago
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    |dw:1442248937679:dw|

  18. dinorap1
    • one year ago
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    Okay, that makes much more sense when you put it that way!

  19. dinorap1
    • one year ago
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    |dw:1442249095395:dw| Wouldn't it be this?

  20. triciaal
    • one year ago
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    |dw:1442249477220:dw|

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