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What are x, y, and z?

 

 Aug 6, 2020
 #1
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From third equation   y = 1/4  z  + 2.075

From second equation   x = 2 - 9/7 z                 Use these values of 'x' and 'y' in the FIRST equation to solve for 'z'

                 then the 2nd and 3rd equations will let you calc  x  and  y

 Aug 7, 2020

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