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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following expressions are equivalent to -3.5(2 - 3n) - 2.5n? Select all that apply. A. -7 - 8n B. -7 + 8n C. -7 - 13n D. -7 - n(10.5 - 2.5) E. -7 + n(10.5 - 2.5)

OpenStudy (anonymous):

@texaschic101

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

Distribute -3.5 into the parenthesis: -3.5(2 - 3n) - 2.5n -7 + 10.5n - 2.5n Can you subtract 10.5 - 2.5? @MuddyRedneck

OpenStudy (anonymous):

yes

OpenStudy (igreen):

Okay, what is it? @MuddyRedneck

OpenStudy (anonymous):

8

OpenStudy (igreen):

Yep, you got it. So that gives us -7 + 8n

OpenStudy (igreen):

@MuddyRedneck

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