A number is 36 less than the number obtained by reversing its digits.If its unit's and ten's digits are x and y respectively,write the linear equation representing the given information.
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Digit in units place = x
Digit in tens place = y
The number = 10y-x
10y-x = 10x-y-36
so 10y-y = 10x+x-36
9y = 11x-36
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