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Monica [59]
3 years ago
15

An=−5n+90 i dont know it

Mathematics
1 answer:
olga2289 [7]3 years ago
3 0
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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