Which expression is equivalent to 7(p+2n)+n?

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18-08-2017
Mathematics

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Which expression is equivalent to 7(p+2n)+n?

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apologiabiology apologiabiology · Answer 1 · 2017-08-18T23:02:57+02:00

apologiabiology apologiabiology

18-08-2017

we actually need the choices but oh well, we can simpify and hopefuly it is one of the choices

remember the distributive property
a(b+c)=ab+ac
so

7(p+2n)+n
distribute first
7(p)+7(2n)+n
7p+14n+n
7p+15n is an equivilent expression

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