document.write( "Question 275504: if you take a certain two-digit number and reverse its digits to get another two-digit number, then add these two numbers together, their sum is 132. what is the original number? \n" ); document.write( "
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\n" ); document.write( "if you take a certain two-digit number and reverse its digits to get another two-digit number,
\n" ); document.write( "then add these two numbers together, their sum is 132. what is the original number?
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\n" ); document.write( "\n" ); document.write( "Let the digit in the units place be y
\n" ); document.write( "& in the tens place be x
\n" ); document.write( "So the number will be 10x+y
\n" ); document.write( "On reversing the digits
\n" ); document.write( "the number becomes 10y+x
\n" ); document.write( "The sum of the two = 132
\n" ); document.write( "10x+y + 10y+x= 132
\n" ); document.write( "11x+11y=132\r
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\n" ); document.write( "\n" ); document.write( "x+y=12\r
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\n" ); document.write( "\n" ); document.write( "From this equation, SEVEN different two-digit integer numbers are possible
\n" ); document.write( "93, 84, 75, 66, 57, 48, 39.\r
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\n" ); document.write( "\n" ); document.write( "All the SEVEN numbers when reversed and added give you 132.\r
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