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Liula [17]
2 years ago
13

A)7d + 5c–9d + 4c+ 3

Mathematics
2 answers:
kvasek [131]2 years ago
8 0
-2d+9c+3
you need to add the like terms, so:
7d-9d=-2d
5c+4c=9c
3=3
marysya [2.9K]2 years ago
6 0
The answer is 9c-2d+3
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