myraafeqq22 myraafeqq22
  • 17-12-2020
  • Mathematics
contestada

Evaluate the following.
(a) |7 - 9
(b) |7| - 9

Respuesta :

tp11939617
tp11939617 tp11939617
  • 17-12-2020

Answer:

first is 2a

second is 7b-9

Step-by-step explanation:

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