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16-05-2021
Mathematics

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subtract 4a-7ab+3b+12 from 12a-9ab+5b-3

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16-05-2021

Answer:

8a - 2ab + 2b - 15

Step-by-step explanation:

(12a - 9ab + 5b - 3) - (4a - 7ab + 3b + 12)

(12a - 9ab + 5b - 3) - 4a + 7ab - 3b - 12

12a - 4a - 9ab + 7ab + 5b - 3b - 3 - 12

8a - 2ab + 2b - 15

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