document.write( "Question 319279: x-y=4
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Algebra.Com's Answer #228601 by nyc_function(2741)\"\" \"About 
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Notice that the y letters cancel each other out because one is positive and the other negative.\r
\n" ); document.write( "\n" ); document.write( "So, we now have 2x = 6, which means x = 3.\r
\n" ); document.write( "\n" ); document.write( "The solution point is (3,0).
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