document.write( "Question 357165: solve the following system of equations\r
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document.write( "x+5y= 8 (1)
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document.write( "x= 5-5y (2) \n" );
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Algebra.Com's Answer #255050 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the following system of equations \n" ); document.write( "x+5y= 8 \n" ); document.write( "x= 5-5y \n" ); document.write( "----------- \n" ); document.write( "Rearrange: \n" ); document.write( "x + 5y = 8 \n" ); document.write( "x + 5y = 5 \n" ); document.write( "------- \n" ); document.write( "Assuming those x's and y's mean the same \n" ); document.write( "in both equations you subtract and get: \n" ); document.write( "--- \n" ); document.write( "0 = 3 \n" ); document.write( "-- \n" ); document.write( "The assumption was wrong. There is no (x,y) \n" ); document.write( "pair that satisfies both equations. \n" ); document.write( "--- \n" ); document.write( "Conclusion: No solution \n" ); document.write( "============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |