SOLUTION: 57 less than four times a number is equal to the number. What is the number?

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Question 648347: 57 less than four times a number is equal to the number. What is the number?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
4X-57=X
3X=57
X=57/3
X=19 ANS.
PROOF:
4*19-57=19
76-57=19
19=19