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Mathematics 8 Online
OpenStudy (anonymous):

write an expression that is equivalent to the expression 2n+7(3+n)

OpenStudy (anonymous):

@hysusonic

OpenStudy (anonymous):

@matt101

OpenStudy (anonymous):

@dan815

OpenStudy (hysusonic):

What do you think you have to do?

OpenStudy (anonymous):

remove the parentheses first right?

OpenStudy (hysusonic):

Yea and then?

OpenStudy (anonymous):

find the like terms?

OpenStudy (anonymous):

which will be 7+3

OpenStudy (hysusonic):

Wait why the 7? Remember you need to distribute the 7 first

OpenStudy (anonymous):

okay so what do i do

OpenStudy (hysusonic):

Sorry I'm on my phone so I don't get notifications. So you distribute the 7 which would make the equation 2n+21+7n and when you combine like terms, you would get 9n+21

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