sandra6282 sandra6282
  • 25-11-2014
  • Mathematics
contestada

solve the equation :

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

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luana
luana luana
  • 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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shayye shayye
  • 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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