document.write( "Question 721346: What is
\n" ); document.write( "-x+3y=15
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Algebra.Com's Answer #442332 by Alan3354(69443)\"\" \"About 
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What is
\n" ); document.write( "-x+3y=15 is the equation of a line.
\n" ); document.write( "(6, -7) is a point on the x-y plane.
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