document.write( "Question 365359: the units digit of a two digit number exceeds twice the tens digit by 1, the sum of its digits is 10 what is the number \n" ); document.write( "
Algebra.Com's Answer #260510 by mananth(16946)\"\" \"About 
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let tens digit be x
\n" ); document.write( "units digit be y
\n" ); document.write( "..
\n" ); document.write( "y=2x+1
\n" ); document.write( "y-2x = 1.............1
\n" ); document.write( "x+y = 10.............2
\n" ); document.write( "..
\n" ); document.write( "multiply equation 2 by 2
\n" ); document.write( "2x+2y=20
\n" ); document.write( "add this to equation 1
\n" ); document.write( "2x-2x+2y+y=21
\n" ); document.write( "3y=21
\n" ); document.write( "y = 7
\n" ); document.write( "x= 3
\n" ); document.write( "number = 37
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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