math

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my daughter is working on 5n + 2n - (3-10N) can someone walk me through how to solve problems like this I have not been in school in over 20yrs. I think you have to work () first? but really do not know HELP please thank you

• math -

5n + 2n - (3-10N)

7n - 3 + 10n = 17n - 3

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