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emarrero22

  • 3 years ago

x.5 - 1=9 what does x=?

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  1. gaara438125
    • 3 years ago
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    is that x * 5? or x + 5 or x - 5 or x/5?

  2. emarrero22
    • 3 years ago
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    x/5

  3. gaara438125
    • 3 years ago
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    x/5 - 1 = 9 add one to each side x/5 = 10 then multiply each side by 5

  4. emarrero22
    • 3 years ago
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    so it would be 50/5?

  5. gaara438125
    • 3 years ago
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    \[\frac{ x }{ 5 } * \frac{ 5 }{ 1 } = 10 * 5\]

  6. gaara438125
    • 3 years ago
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    cross cancel on the left side to get what?

  7. emarrero22
    • 3 years ago
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    2/5

  8. gaara438125
    • 3 years ago
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    |dw:1352143972169:dw|

  9. gaara438125
    • 3 years ago
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    on the left side since we're multiply we can cross cancel the two 5's for one is the denominator and the other is the numerator. once we cross cancel they become 1 so x/1 also equals x

  10. emarrero22
    • 3 years ago
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    thank you

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