SOLUTION: The digit 6 is written at the right hand end of a certain four-digit number, creating a five-digit number. The new number is 54321 larger than the original four-digit number. What

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Question 1124929: The digit 6 is written at the right hand end of a certain four-digit number, creating a five-digit number. The new number is 54321 larger than the original four-digit number. What is the original four-digit number?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let the 4-digit number = +n+
By adding a digit on the right, +n+
becomes +10n+
+10n+%2B+6+=+n+%2B+54321+
+9n+=+54315+
+n+=+6035+
—————————-
Check answer:
+60350+%2B+6+=+6035+%2B+54321+
+60356+=+60356+
OK