document.write( "Question 817024: how do I help solve for x and y. I only get 0=7??
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document.write( "4x-5y=7
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document.write( "-4x+5y=7 \n" );
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Algebra.Com's Answer #491835 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 4x-5y=7 \n" ); document.write( "-4x+5y=7 times -1 --> 4x-5y = -7 \n" ); document.write( "------------- \n" ); document.write( "The equations are inconsistent. \n" ); document.write( "4x-5y can't be both 7 & -7. \n" ); document.write( "--- \n" ); document.write( "If you graph them, you get parallel lines. \n" ); document.write( "No intersection, no solution. \n" ); document.write( " \n" ); document.write( " |