sandodia000 sandodia000
  • 25-03-2021
  • Mathematics
contestada

30 + a = 40
40 + b = 30
c - 3 = 8
d - 3 = 8
plz answer.

Respuesta :

dauyds
dauyds dauyds
  • 25-03-2021

Answer:

A= 10

B= -10

C and D both = 11

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