tessamac tessamac

12-10-2014
Mathematics

contestada

n+5(n-1)=7 help me i dont get it

Respuesta :

mariamikayla mariamikayla

12-10-2014

[tex]n+5(n-1)=7 \\\\ n+5n-5=7 \\\\ 6n-5=7 \\\\ 6n=7+5 \\\\ 6n= 12 \\\\ \boxed{n=\frac{12}{6}=2}[/tex]

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uaapril uaapril

12-10-2014

n+5(n-1)=7
n+5=7
-5=-5
n=2

n-1=7
+1=+1
n=8

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