Subtracting 4a-7ab+3b+12 from 12a-9ab-3+5b, gives
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Step-by-step explanation:
(4a-7ab+3b+12) - (12a-9ab-3+5b)
4a - 7ab + 3b + 12 - 12a + 9ab + 3 - 5b
Arranging In proper order
4a - 12a - 7ab + 9ab + 3b - 5b + 12 + 3
= - 8a + 2ab - 2b + 15
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Step-by-step explanation:
4a-7ab+3b+12-12a+9ab+3-5b
-8a+2ab+8b-9
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