document.write( "Question 371207: does this system have a unique solution? yes or no?
\n" ); document.write( "20x+5y=33
\n" ); document.write( "-32x+8y=47
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Algebra.Com's Answer #264459 by nyc_function(2741)\"\" \"About 
You can put this solution on YOUR website!
After working out the question on paper, I got x = 29/320 and y = 499/80.\r
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