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The real numbers x, y and z satisfy the equations x + 2y + 3z = 950 and 3x + 2y + z = 1450. What is the average of x, y and z?

 

 

pls help, Im kinda stuck.

 Sep 16, 2021
 #1
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hint: add the 2 equations up and then divide by 12

 Sep 16, 2021
 #2
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thank you!!

Guest Sep 16, 2021

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