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Margarita [4]
3 years ago
5

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

Mathematics
2 answers:
CaHeK987 [17]3 years ago
6 0
Distribute all the negatives: 7a-9c+12a+33c+21a-10c

simplify:
40a+14c
balandron [24]3 years ago
5 0
(7a-9c)-(-12a-33c)-(-21a+10c) \\ \\ =7a-9c+12a+33c+21a-10c \\ \\ =40a+14c \\ \\ \boxed {Answer\ is\ 40a+14c }
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