2275644 2275644
  • 28-04-2022
  • Mathematics
contestada

solve for x x + 21 = -2x

Respuesta :

tonyrodriguezjr30 tonyrodriguezjr30
  • 28-04-2022

Answer

-7

Step-by-step explanation:

x + 21 = -2 x

-x          -x

21 = -3 x

---    -----

-3      -3

-7 = x

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