document.write( "Question 810774: 2x+2y-z=3
\n" ); document.write( "3x-2y-2z=1
\n" ); document.write( "5x+y-3z=2
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Algebra.Com's Answer #488418 by richwmiller(17219)\"\" \"About 
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Too many = in the first equation. 2x+2y=z=3
\n" ); document.write( "assuming that the first = should be -
\n" ); document.write( "we have 2x+2y-z=3
\n" ); document.write( "x = 17, y = -2, z = 27
\n" ); document.write( "or if it should be +
\n" ); document.write( "2x+2y+z=3
\n" ); document.write( "x = 1, y = 0, z = 1
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