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142343

  • 4 years ago

9(x/3+x/9=1)

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  1. JamesJ
    • 4 years ago
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    This doesn't make sense. Can you type it again?

  2. 142343
    • 4 years ago
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    sure

  3. 142343
    • 4 years ago
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    9x/3+x/9=1

  4. JamesJ
    • 4 years ago
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    So first, what is 9x/3 in simple terms?

  5. JamesJ
    • 4 years ago
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    So ... 9x/3 = 3x, yes? So 9x/3 + x/9 = 3x + x/9 = 1 Now let's get rid of the fraction. Multiply both sides by 9 ... 9.(3x) + 9.(x/9) = 9 I.e., 27x + x = 9 I.e., 28x = 9 Hence ....

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