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AveGali [126]
3 years ago
7

(25a + 9d) - (10a - 5d)​

Mathematics
2 answers:
Anton [14]3 years ago
4 0

Answer:

15a+14d

Step-by-step explanation:

I just combined like terms

stealth61 [152]3 years ago
4 0

aaaaaaaaaaaaaaaaaaaaaaaaaaaa

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