SOLUTION: I am thinking of an interesting 5-digit number.
When it has a 1 after it, its 3 times as large as when it has a 1 before it. What is the number?
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When it has a 1 after it, its 3 times as large as when it has a 1 before it. What is the number?
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Question 306781: I am thinking of an interesting 5-digit number.
When it has a 1 after it, its 3 times as large as when it has a 1 before it. What is the number? Answer by Stitch(470) (Show Source):
You can put this solution on YOUR website! A 1 in front of the number is the same as adding 100,000 to the number.
A 1 behind the number is the same as multiplying the number by 10 and then adding 1.
So the equation is:
Simplify the equation Subtract 1 from both sides Subtract 3X from both sides Divide both sides by 7
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