carardrgz carardrgz
  • 08-02-2020
  • Mathematics
contestada

8/9k + 9/5 = -4 - 9/7k

Respuesta :

Yang100
Yang100 Yang100
  • 08-02-2020

Answer:

k=-1827/685

Step-by-step explanation:

8/9k+9/5=-4-9/7k

8/9k-(-9/7k)=-4-9/5

8/9k+9/7k=-20/5-9/5

56/63k+81/63k=-29/5

137/63k=-29/5

k=(-29/5)/(137/63)

k=(-29/5)(63/137)

k=-1827/685

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