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Mathematics 21 Online
OpenStudy (anonymous):

I NEED HELP! AYUDA IN MATH!!

OpenStudy (anonymous):

\[\frac{ -8 }{ 3 }+\frac{ 7 }{ -2}\]

OpenStudy (anonymous):

@sleepyjess HELP POR FAVOR

OpenStudy (sleepyjess):

We need to do the same thing as last time, make the denominators the same

OpenStudy (anonymous):

OK give me one sec

OpenStudy (anonymous):

-6.16666666667

OpenStudy (sleepyjess):

-2*3 = ?

OpenStudy (anonymous):

so the dem is going to -6

OpenStudy (sleepyjess):

yes :)

OpenStudy (anonymous):

yes

OpenStudy (sleepyjess):

multiply the first equation, top and bottom, by -2 second equation by 3

OpenStudy (anonymous):

okay then what

OpenStudy (sleepyjess):

What do you get after that?

OpenStudy (anonymous):

i got -1/-6

OpenStudy (sleepyjess):

did you already add?

OpenStudy (sleepyjess):

What did you get for the first fraction after multiplying?

OpenStudy (anonymous):

-1/6

OpenStudy (sleepyjess):

\(\dfrac{-8*-2}{3*-2}\)

OpenStudy (anonymous):

16/-6

OpenStudy (sleepyjess):

Yep, now \(\dfrac{7*3}{-2*3}\)

OpenStudy (anonymous):

21/-6

OpenStudy (sleepyjess):

Yep, now just add the numerators

OpenStudy (anonymous):

is that my final answer

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