The tens digit of a certain two digit number exceeds the units digit by 4 and is 1 less than twice the units digit.find the digit number
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95(ab)
a=5+4 (a=b+4)
a=2b-1 (a=2b+1) 'a' is 1 less than twice of 'b'
a=5+4 (a=b+4)
a=2b-1 (a=2b+1) 'a' is 1 less than twice of 'b'
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