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tessamac
tessamac tessamac
  • 12-10-2014
  • Mathematics
Answered

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

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mariamikayla
mariamikayla mariamikayla
  • 12-10-2014

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

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uaapril
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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