tileer139 tileer139

24-02-2017
Mathematics

contestada

an=−5n+90 i dont know it

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morgeron morgeron

24-02-2017

I am guessing your problem should read...

A) n = -5n + 90 (isolate the variables by adding 5n to each side)
   +5n +5n
   6n = 90 (since we don't want to know what 6n's are worth, divide by 6)
6n/6 = 90/6
   n = 15

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