document.write( "Question 717604: -3x-18y=6
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document.write( "6x-y=14 \n" );
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Algebra.Com's Answer #440349 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! -3x-18y=6 \n" ); document.write( "6x-y=14 \n" ); document.write( "------ \n" ); document.write( "Modify for elimination: \n" ); document.write( "Multiply thru the top equation by 2: \n" ); document.write( "----- \n" ); document.write( "-6x - 36y = 12 \n" ); document.write( "6x - y = 14 \n" ); document.write( "------------------- \n" ); document.write( "Add to get: \n" ); document.write( "-37y = 26 \n" ); document.write( "--- \n" ); document.write( "y = -26/37 \n" ); document.write( "---------------------------- \n" ); document.write( "Substitute for \"y\" and solve for \"x\" in the bottom equation: \n" ); document.write( "6x + (26/37) = 14 \n" ); document.write( "------ \n" ); document.write( "222x + 26 = 518 \n" ); document.write( "222x = 492 \n" ); document.write( "x = 82/37 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |