document.write( "Question 965798: solve for x,y and z
\n" ); document.write( "1. x+y-2z=5
\n" ); document.write( "2. x+z=4
\n" ); document.write( "3. y-z=6
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Algebra.Com's Answer #590292 by Alan3354(69443)\"\" \"About 
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solve for x,y and z
\n" ); document.write( "x+y-2z=5
\n" ); document.write( "x+z=4 --> x = 4-z
\n" ); document.write( "y-z=6 --> y = z+6
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\n" ); document.write( "x+y-2z=5
\n" ); document.write( "sub for x & y
\n" ); document.write( "4-z + z+6 - 2z = 5
\n" ); document.write( "-2z + 10 = 5
\n" ); document.write( "z = 5/2
\n" ); document.write( "-----
\n" ); document.write( "x = 3/2
\n" ); document.write( "y = 17/2
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