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Mathematics 21 Online
OpenStudy (anonymous):

@ganeshie8 @phi

OpenStudy (anonymous):

OpenStudy (phi):

do you know which line to use ? the first one or the second one ?

OpenStudy (anonymous):

@phi the second one, I replace x with 3 and got 7 as my final answer

OpenStudy (anonymous):

replaced*

OpenStudy (phi):

yes

OpenStudy (anonymous):

Yay, thanks .

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