yamilex26 yamilex26

10-07-2017
Mathematics

contestada

Simplify: (7a − 9c) − (−12a − 33c) − (−21a + 10c)

−40a − 60c
2a + 22c
−26a − 32c
40a + 14c

Respuesta :

GarageMoney GarageMoney

10-07-2017

distribute all the negatives: 7a-9c+12a+33c+21a-10c

simplify:
40a+14c

Answer Link

BrainIess BrainIess

10-07-2017

[tex] (7a-9c)-(-12a-33c)-(-21a+10c) \\ \\ =7a-9c+12a+33c+21a-10c \\ \\ =40a+14c \\ \\ \boxed {Answer\ is\ 40a+14c } [/tex]

Answer Link

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