Respuesta :

Answer:

  • x = 3

Step-by-step explanation:

  • (9x - 3) + (5x + 5) + 2(7x - 15) = 168
  • => 9x - 3 + 5x + 5 + 14x - 30 = 168
  • => 9x + 5x + 14x - 28 = 168
  • => 28x = 168 + 28
  • => 28x = 196
  • => x = 3

Conclusion:

Therefore:

  • x = 3

Hoped this helped.

[tex]GeniusUser[/tex]