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timurjin [86]
2 years ago
11

Brainliest if correct

Mathematics
1 answer:
anyanavicka [17]2 years ago
5 0

Answer:

9

Step-by-step explanation:

-4c + 9 + 4c

4c - 4c + 9

= 9

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8 0
2 years ago
Murtha has decided to start a pebble collection. She collects one pebble the first day and two pebbles on the second day. On eac
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78

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Step-by-step explanation:

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