Respuesta :

  • Answer:

x = - 3

  • Step-by-step explanation:

3x - (5x - 9) = 7 - 4(x + 1)​

3x - 5x + 9 = 7 - 4x - 4

3x - 5x + 4x = 7 - 4 - 9

2x = - 6

x = - 6 : 2

x = - 3

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