SOLUTION: How do I solve this: 7 times a number is 9 less than the product of the number and -20.

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Question 737171: How do I solve this:
7 times a number is 9 less than the product of the number and -20.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number be +n+
+7n+=+-20n+-+9+
Add +20n+ to both sides
+27n+=+-9+
+n+=+-+1%2F3+
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check:
+7n+=+-20n+-+9+
+7%2A%28-1%2F3%29+=+-20%2A%28-1%2F3%29+-+9+
Multiply both sides by +3+
+7%2A%28-1%29+=+%28-20%29%2A%28-1%29+-+9%2A3+
+-7+=+20+-+27+
+-7+=+-7+
OK