document.write( "Question 313051: solve the system by the elimination method\r
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document.write( "5x + 5y = -11\r
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document.write( "7x - 3y = 17\r
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document.write( "The solution is?\r
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document.write( "Please show work if possible - I came up with 2 different answers for y\r
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document.write( "-81/25 or -162/31\r
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document.write( "Thank you for your help \n" );
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Algebra.Com's Answer #223865 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve the system by the elimination method \n" ); document.write( "5x + 5y = -11 \n" ); document.write( "7x - 3y = 17 \n" ); document.write( "------------------------- \n" ); document.write( "35x + 35y = -77 \n" ); document.write( "35x - 15y = 85 \n" ); document.write( "---------------------- \n" ); document.write( "50y = -162 \n" ); document.write( "y = -81/25 \n" ); document.write( "------------------- \n" ); document.write( "Substitute and solve for \"x\": \n" ); document.write( "5x + 5(-81/25) = -11 \n" ); document.write( "5x - 81/5 = -11 \n" ); document.write( "5x = 26/5 \n" ); document.write( "x = 26/25 \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |