document.write( "Question 102374: x/4 - y/3=5/12\r
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document.write( "x/4+y/3=-11/12\r
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document.write( "I tried the elimination method but got stuck \n" );
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Algebra.Com's Answer #74392 by edjones(8007)![]() ![]() You can put this solution on YOUR website! x/4 - y/3=5/12 \n" ); document.write( "x/4+y/3=-11/12 \n" ); document.write( ". \n" ); document.write( "A) 3x-4y=5 multiply both sides times 12 \n" ); document.write( "B) 3x+4y=-11 multiply both sides times 12 \n" ); document.write( "-----------add \n" ); document.write( "6x====-6 \n" ); document.write( "x=-1 divide each side by six \n" ); document.write( "-3-4y=5 substitute -1 for x in equation A) \n" ); document.write( "-4y=8 add 3 to both sides. \n" ); document.write( "y=-2 divide each side by -4 \n" ); document.write( "I'll leave the checking up to you. \n" ); document.write( "Ed\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |