SOLUTION: 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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Question 1071767: 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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the variable x varies jointly with y and z. When x=8, y=-6 and z=-3. What is the constant variation
Correct answer: