document.write( "Question 967051: The sum of Tony's age and his older brother's age is 29. The difference between their ages is 5 years. How old is Tony \n" ); document.write( "
Algebra.Com's Answer #591092 by rheakod(2)![]() ![]() ![]() You can put this solution on YOUR website! Ok first identify variables \n" ); document.write( "x=Tony \n" ); document.write( "y= Tony's brother \n" ); document.write( "---------------------------------------------------------------------------------------------------------------- \n" ); document.write( "Plug these into the equations \n" ); document.write( "x+y=29 \n" ); document.write( "y-x=5 \n" ); document.write( "------------------------------------------------------------------------------------------------------------------- \n" ); document.write( "Eliminate to get one variable \n" ); document.write( "x+y=29 \n" ); document.write( "-x+y=5 \n" ); document.write( "So you would get 2y=34---> y=17 \n" ); document.write( "------------------------------------------------------------------------------------------------------------------- \n" ); document.write( "If Tony's brother is 17, then Tony is 5 years younger --->17-5= 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Tony is 12 years old \n" ); document.write( " |