Math

Mira and Marie sell computers. Last month Mira sold 16 more computers than Marie. Together they sold 56. How many computers did Marie sell?

I should be able to figure out the rest, I just need help with the first steps to get it set up and I should be able to solve the rest:)

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  1. M + M + 16 = 56

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    Ms. Sue
  2. 56-16=40
    (40 should be my final)
    correct?

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  3. That doesn't make sense. If Marie sold 40, that would leave only 16 for Mira to sell. But the problem says that Mira sold more than Marie.

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    Ms. Sue
  4. Or would it be 36?

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  5. I did M+M+16= 56
    -16 -16
    0 40

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  6. Mira sold 36. But the question asks how many Marie sold.

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    Ms. Sue
  7. Wouldn't that be X?

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  8. What answer were you thinking? I only have 40, 36, 20, 16 as possible answers

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  9. arrggghhhhh
    I did M+M+16= 56 YES RIGHT
    then
    so
    2 M + 16 = 56
    subtract 16 from both sides
    2 M = 40
    divide both sides by 2
    M = 20

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    Damon
  10. Marie sold X computers.
    Mia sold x+16 computers.

    x + (x+16) = 56.
    X = 20.

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