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gladu [14]
3 years ago
5

12a − 3(7 + 5a) help pls

Mathematics
2 answers:
dangina [55]3 years ago
6 0

Answer:

27a-21

Step-by-step explanation:

12a-3(7+5a)

distribute the 3

3x7=21

3x5a=15a

12a-21+15a

12a+15a=27a

27a-21

Simora [160]3 years ago
4 0

Answer:

-3a-21

Step-by-step explanation:

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