document.write( "Question 83023This question is from textbook
\n" ); document.write( ": 2x+y=5
\n" ); document.write( "2y=10-4x
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Algebra.Com's Answer #59581 by ryanman(19)\"\" \"About 
You can put this solution on YOUR website!
its all about substitution\r
\n" ); document.write( "\n" ); document.write( "if 2y=10-4x
\n" ); document.write( "then y= 10-4x
\n" ); document.write( " ------
\n" ); document.write( " 2\r
\n" ); document.write( "\n" ); document.write( "so y=5-2x
\n" ); document.write( "now subsitute and thats it
\n" ); document.write( "2x+ ( 5-2x ) =5
\n" ); document.write( "5=5
\n" ); document.write( "so x=0
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