If we subtract 5a – 8ab + 3b + 12 from 12a – 9ab + 5b – 3, then the answer is: *7a + ab + 2b + 15
7a + ab + 2b – 15
7a – ab + 2b – 15
7a – ab – 2b – 15
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Step-by-step explanation:
7a-ab+2b-15
5a-8ab+3b+12-12a+9ab-5b+3
=-7a+ab-2b+15
=7a-ab+2b-15
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