Sum of an original number and it’s interchanged number is 33 write it in linear equation in 2 variables
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Let the digit in ten's place be x and the digit in one's place be y.
The original no. = 10x + y
A/Q
10x + y + 10y + x = 33
=> 11x + 11y = 33
=> x + y = 3
x + y = 3 is the equation in 2 variables.
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