document.write( "Question 255114: 3x + 4Y =-1
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document.write( "5x - 3y = 8 \n" );
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Algebra.Com's Answer #187414 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 3x + 4Y =-1 \n" ); document.write( "5x - 3y = 8 \n" ); document.write( "------------------- \n" ); document.write( "Multiply thru 1st Eq. by 3 ; Multiply thru 2nd Eq. by 4: \n" ); document.write( "9x + 12y = -3 \n" ); document.write( "20x- 12y = 32 \n" ); document.write( "---------------- \n" ); document.write( "29x = 29 \n" ); document.write( "x = 1 \n" ); document.write( "--- \n" ); document.write( "Substitute into 3x+4y = -1 to solve for \"y\": \n" ); document.write( "3 + 4y = -1 \n" ); document.write( "4y = -4 \n" ); document.write( "y = -1 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |