melanielucero01 melanielucero01
  • 11-02-2021
  • Mathematics
contestada

What is the 21x+63+78

Respuesta :

Аноним Аноним
  • 11-02-2021

Answer:

x= -6.7

Step-by-step explanation:

21x=-63-78

21x=-141

x= -6.7

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