louisongreen louisongreen
  • 14-07-2020
  • Mathematics
contestada

Simplify. a - {4b - [a - (5b - c) + 3c - (a - b - 9c)]}

Respuesta :

exclusiveheidi1
exclusiveheidi1 exclusiveheidi1
  • 22-02-2021

Answer:

a - 8b + 13c

Step-by-step explanation:

a - (4b -( a - 5b + c + 3c -(a - b - 9c)))

a - (4b - (-5b + c + 3c + b + 9c)))

a - (4b - (-4b + 13c)))

a - (4b  + 4b - 13c)

a- (8b - 13c)

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