SOLUTION: Twice a number increased by 12 is equal to 31 less than three times the number. Find the number.

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Question 100373: Twice a number increased by 12 is equal to 31 less than three times the number. Find the number.
Answer by elima(1433) About Me  (Show Source):
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Twice a number increased by 12 is equal to 31 less than three times the number. Find the number.
x= the number
2x+12=3x-31
2x-3x=-31-12
-x=-43
x=43
:)