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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)

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)
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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)

asked
User Bojan Radivojevic
by
8.4k points

2 Answers

3 votes
-3.5(2 - 3n) - 2.5n
= -7 + 10.5n - 2.5n
= -7 + 8n
answered
User Rryan
by
8.3k points
2 votes
B: -7+8n

-7+10.5n-2.5n=-7+8n
just use distributive property.
answered
User Gilad Novik
by
7.9k points
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