a number has two digits. The digit at tens place is four times the digit at unit place. If 54 is subtracted from the number, the digit are reversed. Find the number
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Answer:
Step-by-step explanation:
the digit at ones place be x
the digit at tens place = 4x
the number=4x*10 + x
now subtract 56
then number becomes = x*10 + 4x
the equation
40x+x-56=10x+4x
=> 41x-56=14x
=>27x=56
=>x=2
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