DOLLFACE32 DOLLFACE32

16-02-2017
Mathematics

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Please solve and show work. 2n-(6n+5)=9-(2n-1)

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happygirl23 happygirl23

16-02-2017

1. simplify the parentheses to get 2n-6n-5=9-2n+1
2. simplify, -4n-5=-2n+10
3. add 4n to both sides and subtract 10 from both sides: -15=2n
4. divide both sides by 2, n= -15/2

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