document.write( "Question 261759: x+9y=79
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document.write( "-7x+9y=23 \n" );
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Algebra.Com's Answer #192885 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! subtract second equation from first \n" ); document.write( "8x=56 \n" ); document.write( "x=7 \n" ); document.write( "7+9y=79 \n" ); document.write( "9y=72 \n" ); document.write( "y=8 \n" ); document.write( "(7,8) \n" ); document.write( " |