sandra6282 sandra6282

25-11-2014
Mathematics

Answered

solve the equation :

2(2n + 5) = 12 ???? answer please

Answer :

25-11-2014

[tex]2(2n+5)=12\\\\ 4n+10=12\ \ \ \ | subtract\ 10\\\\ 4n=2\ \ \ \ | divide\ by\ 4\\\\ n=\frac{2}{4}=\frac{1}{2}[/tex]

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25-11-2014

2(2n+5)=12
4n+10=12
-10 -10
-----------------
4n = 2
4n/4 =2/4
n=0.5

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