document.write( "Question 710837: what is y = -x + 9 if y = 2x ? \n" ); document.write( "
Algebra.Com's Answer #437209 by Alan3354(69443)\"\" \"About 
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what is y = -x + 9 if y = 2x ?
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\n" ); document.write( "What is what?
\n" ); document.write( "y = -x + 9 is an equation in x & y.
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