SOLUTION: One more than the difference between 18 and 7 times a number is -9.

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Question 671409: One more than the difference between 18 and 7 times a number is -9.
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
(18-7n) + 1 = -9
...
18 - 7n + 1 = -9
...
Isolate n
-7n = -9 - 18 - 1
-7n = -28
...
highlight_green%28n+=+4%29
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