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Mathematics 21 Online
OpenStudy (anonymous):

Please help! Simplify -4.5(2x - (0.5 - 1.4) )

OpenStudy (anonymous):

use pemdas

OpenStudy (anonymous):

Order of operation: parenthesis exponents multiplication division addition subtraction

OpenStudy (texaschic101):

do parenthesis inside parenthesis first

OpenStudy (anonymous):

A. -9x + 0.9 b. -9x - 0.9 c. -9x - 4.05 d. 9x - 4.05

OpenStudy (texaschic101):

you gonna try ?

OpenStudy (anonymous):

I'm pretty sure it's A, but I'm not entirely sure

OpenStudy (texaschic101):

-4.5(2x - (0.5 - 1.4)) -4.5 (2x - (-0.9) -4.5 (2x + 0.9) -9x - 4.05

OpenStudy (anonymous):

So it's C then?

OpenStudy (texaschic101):

yes

OpenStudy (anonymous):

Thank you very much @texaschic101

OpenStudy (texaschic101):

sure thing :)

OpenStudy (anonymous):

Would you mind maybe helping me with a few more? I can make a new thread for it

OpenStudy (anonymous):

the answer is C

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