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Algebra.Com's Answer #664707 by Edwin McCravy(20059) $\"\"$ $\"About$

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z varies jointly as x and y
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document.write( "x is 4 when y=3 and z=2.\r\n" );
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document.write( "Substitute x=4, y=3, z=2\r\n" );
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document.write( "Substitute  for k in\r\n" );
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document.write( "Substitute x=8 and y=6\r\n" );
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document.write( "Edwin

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