Respuesta :

Answer:

x = (z + 3y) / 20

Step-by-step explanation:

20x - 3y = z        

      +3y     +3y

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20x = z + 3y

/20        /20

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x = (z + 3y) / 20

Answer:

x = (2 + 3y) / 20 --> value of x