SOLUTION: Can you solve this equation and show your work: -9>-5n-4n

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Question 1151336: Can you solve this equation and show your work: -9>-5n-4n
Found 2 solutions by rothauserc, Alan3354:
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
-9 > -5n-4n
:
-9 > -9n
:
1 < n
:
Note when dividing or multiplying by a negative quantity, you reverse the inequality sign - in this case the > is changed to <
:

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
-9 > -5n-4n
:
-9 > -9n
:
1 < n
:
Note when dividing or multiplying by a negative quantity, you reverse the inequality sign - in this case the > is changed to <
===========================
Note: It is not necessary to remember that.
-------
-9 > -9n
Add 0
0 > -9n + 9
Add 9n
9n > 9
Divide
n > 1
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You might remember it, and can save time using it, but you can solve the inequality without having to remember yet another "rule."