SOLUTION: -3=n over 6 + 9 be very detailed please

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Question 92138: -3=n over 6 + 9
be very detailed please
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
-3=(n/6)+9
n/6=-3-9
n/6=-12 now cross multiply
n=-72 answer.
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or
-3=n/(6+9)
-3=n/15 cross multiply
n=-45 answer.