document.write( "Question 1095046: x-2y+z=11
\n" ); document.write( "3x+2y-z=7
\n" ); document.write( "x+2y+4z=9\r
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Algebra.Com's Answer #709600 by ikleyn(52818)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "To solve this system, start by adding the first and the second equations.\r
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\n" ); document.write( "\n" ); document.write( "Then look what will happen.\r
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