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anonymous

  • 5 years ago

How do i do 1/2a-3=7-3/4a

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  1. anonymous
    • 5 years ago
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    2a - 12 = 28 -3a 5a = 40 a = 8

  2. anonymous
    • 5 years ago
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    where are you getting 2a-12 from?

  3. anonymous
    • 5 years ago
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    i multiplied the entire equation by 4

  4. anonymous
    • 5 years ago
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    why?

  5. anonymous
    • 5 years ago
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    how do you multiply the whole thing by 4?

  6. anonymous
    • 5 years ago
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    so i don't have to deal with fractions

  7. anonymous
    • 5 years ago
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    you multiply each term by 4 as long as you do it to every single term on both sides, the equation will remain equal

  8. anonymous
    • 5 years ago
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    wait but what are you multiplying by 4? did you subsatute the fractions by 4??

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spraguer (Moderator)
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