Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n? a. −7 − 8n b. −7 + 8n c. −7 − 13n d. −7 − n(10.5 − 2.5) e. −7 + n(10.5 − 2.5)

First, you distribute -3.5 to the numbers in the parentheses. Then, you combine like-terms. So, the answer is C.

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