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Mathematics 18 Online
OpenStudy (anonymous):

3n-13-5n+6n

OpenStudy (idealist10):

3n-13-5n+6n 3n-5n+6n-13 -2n+6n-13 4n-13 Answer: 4n-13

OpenStudy (idealist10):

Combine like terms.

OpenStudy (anonymous):

2rt+2r+7rt

OpenStudy (idealist10):

2rt+7rt+2r=9rt+2r

OpenStudy (anonymous):

its same method as 1st one

OpenStudy (anonymous):

@Idealist10 rather giving the answers directly we should explain

OpenStudy (idealist10):

I explained before, combine like terms.

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