SOLUTION: The units digit of a two-digit number is one more than twice the tens digit. When the digits are reversed, the new number is 2 more than twice the original number. What is the orig
Question 1107935: The units digit of a two-digit number is one more than twice the tens digit. When the digits are reversed, the new number is 2 more than twice the original number. What is the original number? Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! let u be units and t be tens
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u = 2t + 1
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the original number is represented as
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10t + 2t + 1
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10(2t+1) + t = 2(10t + 2t + 1) + 2
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20t +10 + t = 20t + 4t +2 +2
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3t = 6
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t = 2
u = 2(2) + 1 = 5
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original number is 25
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check answer
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52 = 2(25) + 2
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52 = 52
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our answer checks
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