document.write( "Question 246065: Please help me solve this
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document.write( "Solve each system by the addition method\r
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document.write( "3/7x + 5/9y = 27
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document.write( "1/9x + 2/7y = 7 \n" );
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Algebra.Com's Answer #179784 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3/7x + 5/9y = 27 multiply by 1/9. \n" ); document.write( "1/9x + 2/7y = 7 multiply by =3/7 & add. \n" ); document.write( "3/7*1/9x+5/9*1y/9=27*1/9 \n" ); document.write( "-1/9*3/7x-2/7*3y/7=7*-3/7 \n" ); document.write( "------------------------------- \n" ); document.write( "0x+5y/81-6y/49=3-3 \n" ); document.write( "(5y*49-6y*81)/49=0 \n" ); document.write( "(245y-486y)/49=0 \n" ); document.write( "-241y/49=0 \n" ); document.write( "y=0 ans. \n" ); document.write( "3x/7=27 \n" ); document.write( "3x=27*7 \n" ); document.write( "3x=189 \n" ); document.write( "x=189/3 \n" ); document.write( "x=63 ans.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |