document.write( "Question 124692: The sum of two numbers is 29. Their difference is 7. What are the two numbers \n" ); document.write( "
Algebra.Com's Answer #91400 by gems(12)\"\" \"About 
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add the two equations
\n" ); document.write( "2x=36
\n" ); document.write( "divide both sides by 2
\n" ); document.write( "x=18
\n" ); document.write( "if x = 18, substitute in the 1st equation x+y=29
\n" ); document.write( "18+y=29
\n" ); document.write( "y=29-18
\n" ); document.write( "y=11
\n" ); document.write( "therefore x=18, y=11
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