goldonmiah
goldonmiah goldonmiah
  • 11-12-2020
  • Mathematics
contestada

What do we use to replace for an unknown number?
A) A variable
B) A number
C) An Operation
D) An equal sign

Respuesta :

lbullins77
lbullins77 lbullins77
  • 11-12-2020

Answer:

A. A variable

Step-by-step explanation:

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