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dawn354215

  • 3 years ago

solve -2(3-m)+15=6m-4(m-20)

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  1. henkjan
    • 3 years ago
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    -2(3-m) = -6 + 2m

  2. henkjan
    • 3 years ago
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    -4(m-20) = -4m + 80

  3. henkjan
    • 3 years ago
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    use both and substitute: -6+2m +15 = 6m-4m+80

  4. henkjan
    • 3 years ago
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    hmm.. Now we end up with 2m on both sides.... this equation is erroneous

  5. dawn354215
    • 3 years ago
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    yea that is where i got confused

  6. jimmyrep
    • 3 years ago
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    there are no solutions

  7. henkjan
    • 3 years ago
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    indeed

  8. dawn354215
    • 3 years ago
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    ok thanks i thought so just needed a little reassurance

  9. jimmyrep
    • 3 years ago
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    yw

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spraguer (Moderator)
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