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Neporo4naja [7]
3 years ago
8

What is the answer to 13a - 8a + 9b - 4b

Mathematics
1 answer:
ioda3 years ago
3 0

Answer:

<h2>5a + 5b </h2>

Step-by-step explanation:

13a-8a+9b-4b\\\mathrm{Add\:similar\:elements:}\:13a-8a=5a\\=5a+9b-4b\\\mathrm{Add\:similar\:elements:}\:9b-4b=5b\\=5a+5b

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