document.write( "Question 446024: x + y = 1 and x - y = 3, what is the value of x^2y.\r
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Algebra.Com's Answer #307163 by richard1234(7193)\"\" \"About 
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x + y = 1
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\n" ); document.write( "\n" ); document.write( "Adding the two equations,\r
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\n" ); document.write( "\n" ); document.write( "2x = 4 --> x = 2. This implies y = -1. Question is unclear whether you indicate or but you can substitute x and y in either case.
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