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  • 08-09-2016
  • Mathematics
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a(n-3)+8=bn for n.Please solve

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Аноним Аноним
  • 08-09-2016
Hello darling okay so we have A(n-3)+8=bn
We are solving for n so...
an−3a+8+−8=bn+−8an−3a=bn−8
a(n−3)=bn−8
a(n-3)/n-3=bn-8/n-3
a=bn-8/n-3

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