alondranr3066 alondranr3066
  • 22-11-2021
  • Mathematics
contestada

halla valor de x
2x + x = 90

Respuesta :

Аноним Аноним
  • 22-11-2021

Answer:

Step-by-step explanation:

2x + x = 90

     3x = 90

       x = 30

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