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krok68 [10]
3 years ago
11

5a + 12d - 19a -11d -a

Mathematics
2 answers:
dlinn [17]3 years ago
7 0
Is 5a+d I hope it helps
horsena [70]3 years ago
3 0

Answer:

-15a+d

Step-by-step explanation:

5a-20a+12d-11d

-15a+d

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