document.write( "Question 760669: x+y+z=6
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document.write( "2x-y+z=3
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document.write( "3x-z=0 \n" );
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Algebra.Com's Answer #462816 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! from 3: \n" ); document.write( "z=3x\r \n" ); document.write( "\n" ); document.write( "1 plus 2: \n" ); document.write( "(2x-y+z)+(x+y+z)=3+6\r \n" ); document.write( "\n" ); document.write( "3x+2z=9\r \n" ); document.write( "\n" ); document.write( "3x+2(3x)=9\r \n" ); document.write( "\n" ); document.write( "9x=9\r \n" ); document.write( "\n" ); document.write( "x=1\r \n" ); document.write( "\n" ); document.write( "so z=3\r \n" ); document.write( "\n" ); document.write( "from 1: \n" ); document.write( "x+y+z=1+y+3=6\r \n" ); document.write( "\n" ); document.write( "y+4=6\r \n" ); document.write( "\n" ); document.write( "y=2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solution: (1,2,3)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ":) \n" ); document.write( " |