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05-10-2016
Mathematics

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35-4n=6(-4n-5)+5 solve and justify

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mommyme mommyme

05-10-2016

35-4n=6(-4n-5)+5

35-4n=-24n-30+5 (simplify)

35-4n+24n=-24n+24n -30+5 (add 24n to both sides)

35+20n=-25 (simply)

-35+20n=-25-35 (subtract -35 from both sides)

20n=-60 (simplify)

20n=-60 (divide both) by 20

n=-3

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