SOLUTION: find two consecutive numbers such that twice the first is 18 less than three times the second? please help imidiatly i really don't understand this

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Question 454546: find two consecutive numbers such that twice the first is 18 less than three times the second?
please help imidiatly i really don't understand this
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the smaller number = +n+
The larger number = +n+%2B+1+
given:
+2n+=+3%2A%28+n+%2B+1+%29+-+18+
+2n+=+3n+%2B+3+-+18+
+2n+=+3n+-+15+
Subtract +2n+ from both sides
+0+=+n+-+15+
+n+=+15+
+n+%2B+1+=+16+
The numbers are 15 and 16