vladyaniznatera vladyaniznatera
  • 14-04-2021
  • Mathematics
contestada





12 + 3y = 21
Expression or Equation:

Respuesta :

Аноним Аноним
  • 14-04-2021
It is an equation because it has an equal sign. Whereas an expression does not have an equal sign.
Answer Link
mariastart0ner mariastart0ner
  • 14-04-2021

Answer:

equation

Step-by-step explanation:

12 + 3y = 21

-12. -12

__________

3y = 9

y = 3

Answer Link

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