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mechanicdude mechanicdude
  • 08-02-2017
  • Mathematics
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Question 1:


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)

Verified Answer :

augguy augguy
  • 08-02-2017

i think it would be b -7+8n

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Anonymous Anonymous
  • 08-02-2017

simplifying:-
-3.5(2 - 3n) - 2.5n
= -7 + 10.5n - 2.5n
= -7 + n(10.5 - 2.5)
= -7 + 8n

so B and E

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