Respuesta :

tayo75

Answer:

8y= 5y

5wy=xy

3-7

13y

6wxy

-4

Step-by-step explanation:

b)

  • 5wy - 3 = 8y
  • 5wy - 8y = 3
  • y(5w - 8) = 3
  • y = 3/(5w - 8)

a)

  • 5y + xy = 7
  • y(5 + x) = 7
  • y = 7/(5 + x)

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