SOLUTION: how do you solve algebra expressions with more than one variables for example 2n+n=9 this was on my teat and i didnt know how to do it please explain all steps thank you grade

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Question 387446: how do you solve algebra expressions with more than one variables for example 2n+n=9 this was on my teat and i didnt know how to do it please explain all steps thank you

grade 8 aglebra
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
2n+n=9
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Add the "n" terms to get:
3n = 9
Divide both sides by 3 to get:
n = 3
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Cheers,
Stan H.