brook12343437 brook12343437
  • 03-03-2021
  • Mathematics
contestada

I have no idea what this is

I have no idea what this is class=

Respuesta :

uniconevip
uniconevip uniconevip
  • 03-03-2021

Answer:

23

Step-by-step explanation:

2x+14+x+7=90, 3x+21=90,3x=90-21. 3x=69, x=23

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