document.write( "Question 1071767: the variable x varies jointly with y and z. When x=8, y=-6 and z=-3. What is the constant variation \n" ); document.write( "
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\n" ); document.write( "the variable x varies jointly with y and z. When x=8, y=-6 and z=-3. What is the constant variation
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Correct answer:  \n" );
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