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Here is the problem I am working on and what I did so far:
First I did this:
Then I did this:
I thought my answer should be:
The answer key says the answer should be:
What did I do wrong?

  • algebra -

    you did nothing wrong, your answer is correct,
    yours is just in a different order

    3+4 = 4+3 or
    +5 - 9 = -9 + 5 ?)

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