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leroysgurl15

  • 2 years ago

math problem

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  1. leroysgurl15
    • 2 years ago
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    |dw:1380240656292:dw|

  2. GoldPhenoix
    • 2 years ago
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    Do you need to find "x"?

  3. leroysgurl15
    • 2 years ago
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    yeah

  4. GoldPhenoix
    • 2 years ago
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    |dw:1380240805073:dw|

  5. GoldPhenoix
    • 2 years ago
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    Yes, no, maybe?

  6. leroysgurl15
    • 2 years ago
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    yes its 90

  7. GoldPhenoix
    • 2 years ago
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    Good! Do you know how many degree there is in a straight angle?

  8. leroysgurl15
    • 2 years ago
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    180

  9. GoldPhenoix
    • 2 years ago
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    Good job! Now you can set up an equation. |dw:1380240985189:dw| Does the equation make sense?

  10. leroysgurl15
    • 2 years ago
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    kinda

  11. GoldPhenoix
    • 2 years ago
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    Alright, I'll explain it in detail at the end. Anyway, combine like terms. 90 + (-10) = ? 4x + x = ?

  12. leroysgurl15
    • 2 years ago
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    so 90+-10=80 5x

  13. GoldPhenoix
    • 2 years ago
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    Good! |dw:1380241194913:dw| Do you know what to do next?

  14. leroysgurl15
    • 2 years ago
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    subtract 80 from 180 which would be 5x=100 x=20

  15. GoldPhenoix
    • 2 years ago
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    Good job. So x = 20. I hoep this help!

  16. GoldPhenoix
    • 2 years ago
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    hope*

  17. GoldPhenoix
    • 2 years ago
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    Anyway, the reason why the equation make sense is because if you plug x into the angles: |dw:1380241423965:dw|

  18. leroysgurl15
    • 2 years ago
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    thanks

  19. GoldPhenoix
    • 2 years ago
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    |dw:1380241460361:dw|

  20. GoldPhenoix
    • 2 years ago
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    Yeah, no problem. :)

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