document.write( "Question 614217: Elimination\r
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document.write( "4x-6y=3
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document.write( "6x-4y=-3 \n" );
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Algebra.Com's Answer #386444 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4x-6y=3 \n" ); document.write( "6x-4y=-3 \n" ); document.write( "---- \n" ); document.write( "Multiply thru 1st equation by 3 \n" ); document.write( "Multiply thru 2nd equation by 2 \n" ); document.write( "----- \n" ); document.write( "12x - 18y = 9 \n" ); document.write( "12x - 8y = -6 \n" ); document.write( "---------- \n" ); document.write( "Substract and solve for \"y\": \n" ); document.write( "10y = -15 \n" ); document.write( "y = -3/2 \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "4x - 6y = 3 \n" ); document.write( "4x - 6(-3/2) = 3 \n" ); document.write( "4x + 9 = 3 \n" ); document.write( "4x = -6 \n" ); document.write( "x = -3/2 \n" ); document.write( "===== \n" ); document.write( "Solution: x = -3/2 ; y = -3/2 \n" ); document.write( "============================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |