document.write( "Question 1061707: 1/2x + 1/3y = 7
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document.write( "1/4x + 2/3y = 6\r
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document.write( "What is the solution of the system shown?\r
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document.write( "A.) (1/6, 14)
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document.write( "B.)(6, 12)
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document.write( "C.)(10 2/3, 5) \n" );
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Algebra.Com's Answer #676492 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 1/2x + 1/3y = 7 \n" ); document.write( "1/4x + 2/3y = 6; multiply this by -2 and add the two \n" ); document.write( "-1/2 x-4/3y=-12 \n" ); document.write( "-3/3y=-5 \n" ); document.write( "y=5 \n" ); document.write( "find x in the first one \n" ); document.write( "1/2 x+5/3 =7 \n" ); document.write( "3x+10=42, multiplying by 6 \n" ); document.write( "3x=32 \n" ); document.write( "x=32/3 \n" ); document.write( "------------- \n" ); document.write( "check in the second equation \n" ); document.write( "8/3+(10/3)=18/3=6 \n" ); document.write( "(32/3,5) \n" ); document.write( "C (10 2/3 is 32/3) \n" ); document.write( " \n" ); document.write( " |