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lolly

  • 3 years ago

i need help!!

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  1. S0fw0N
    • 3 years ago
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    complete the question

  2. Rezz5
    • 3 years ago
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    put them equal to each other and work out x

  3. Rezz5
    • 3 years ago
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    so 6x+45=3x

  4. Rezz5
    • 3 years ago
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    do you understand?

  5. lolly
    • 3 years ago
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    kinda...what do you do next?

  6. Rezz5
    • 3 years ago
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    rearrange to get what x is

  7. agent0smith
    • 3 years ago
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    @Rezz5 they aren't equal. They're Z angles, so the two angles add up to 180 degrees. 3x + (6x+45) = 180

  8. Rezz5
    • 3 years ago
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    so 6x-3x+45=3x-3x ==> 3x+45=0 3x=-45 x=...

  9. lolly
    • 3 years ago
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    -15

  10. lolly
    • 3 years ago
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    right?

  11. Rezz5
    • 3 years ago
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    actually agent0smith is correct,

  12. agent0smith
    • 3 years ago
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    @lolly the angles aren't equal. They add up to 180 degrees. 3x + 6x+45 = 180

  13. S0fw0N
    • 3 years ago
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    x = 15

  14. S0fw0N
    • 3 years ago
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    by using the law that @agent0smith wrote

  15. lolly
    • 3 years ago
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    soo..add the like terms...9x+45=180...take 45 away from each side... 9x=135..divide by 9.. 15...x=15..?

  16. agent0smith
    • 3 years ago
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    Correct :)

  17. lolly
    • 3 years ago
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    thank you guys sooooo much!!:)

  18. agent0smith
    • 3 years ago
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    no prob :)

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