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AfilCa [17]
3 years ago
9

Use the expression 5a – 2b – 3 + 2b – 6a.

Mathematics
1 answer:
ella [17]3 years ago
4 0

Answer:

5a + (-6a) + (-2b) + 2b + (-3) = -a -3 or -(a + 3) so first answer is correct because -(a + 3) is the same as -(3 + a)

Step-by-step explanation:

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Given:
perfect score- 100
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worth of each question- 4 points
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n- number of questions Fred had answered incorrectly.

solution:
solve for n
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