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Simplify (2n + 5) - (3n + 7) + (4n - 9).

label Algebra
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adding and subtracting polynomials

Apr 6th, 2015

(2n+5)-(3n+7)+(4n-9) = 2n+5-3n-7+4n-9 

Grouping like terms and grouting constants

= 2n-3n+4n+5-7-9= 3n-11

Answer: 3n-11


Apr 6th, 2015

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Apr 6th, 2015

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Apr 6th, 2015
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