need help with word problems

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translate this phrase into an algebraic expression 

the sum of 12 and twice a number 

use the variable N to represent the unknown number 

Jun 22nd, 2015

Thank you for the opportunity to help you with your question!

N the unknown number

Twice the number = 2 x N

12 plus twice the number = 12+2N

12 + 2N is the algebraic expression

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 22nd, 2015

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Jun 22nd, 2015
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Jun 22nd, 2015
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