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anonymous

  • one year ago

9c-6d+4c-3d combine like terms and simplify. will give medal

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  1. anonymous
    • one year ago
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    I added the terms together and simplified to 13c+9d

  2. TheSmartOne
    • one year ago
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    13c part is correct but what is -6d - 3d = ?

  3. anonymous
    • one year ago
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    -3

  4. TheSmartOne
    • one year ago
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    umm no -6 -3 = -1(6+3) = ?

  5. anonymous
    • one year ago
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    why would we subtract those ?

  6. anonymous
    • one year ago
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    I dont understand

  7. TheSmartOne
    • one year ago
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    -6 -3 factor out -1 so you can see the final answer -6 = -1 x 6 -3 = -1 x 3 -6 - 3 = -1(6) + (-1)(3) = -1(6+3) = ?

  8. jim_thompson5910
    • one year ago
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    start at -6 |dw:1441590994674:dw|

  9. jim_thompson5910
    • one year ago
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    then go 3 units to the left (we go 3 units left because we're subtracting 3) |dw:1441591032433:dw| so that's why `-6 - 3 = -9`

  10. anonymous
    • one year ago
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    I got -9d

  11. TheSmartOne
    • one year ago
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    correct :)

  12. anonymous
    • one year ago
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    would the final equation be 13c+-9d?

  13. TheSmartOne
    • one year ago
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    so your answer would be 13c - 9d not 13c + 9d

  14. anonymous
    • one year ago
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    Thank you

  15. TheSmartOne
    • one year ago
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    anytime :)

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