subract 5a – 9ab + 3b - 12 from 15a – 7ab + 5b – 13
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May I help you with a similar example that will help you solve this question.
expression : (12a-9ab+5b-3)-(4a-7ab+3b+12)
Answer:12a-9ab+5b-3-4a+7ab-3b-12
group like terms
12a-4a-9ab+7ab+5b-3b-3-12
8a-2ab+2b-15
Step-by-step explanation:
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15a - 7ab +5b - 13
(-) 5a - 9ab + 3b - 12
= 10a - 2ab + 2b - 1
(-) 5a - 9ab + 3b - 12
= 10a - 2ab + 2b - 1
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