Ask Question
24 September, 11:18

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

+1
Answers (2)
  1. 24 September, 14:11
    0
    Simplify step-by-step.

    -3.5 (2-3n) - 2.5n

    Distribute:

    = (-3.5) (2) + (-3.5) (-3n) + - 2.5n

    =-7+10.5n+-2.5n

    Combine Like Terms:

    =-7+10.5n+-2.5n

    = (10.5n+-2.5n) + (-7)

    =8n+-7

    Which is same as option B).
  2. 24 September, 14:20
    0
    -3.5 (2-3n) - 2.5n simplifies to - 7+10.5n-2.5n, or - 7+8n. B is the correct answer.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “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 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers