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Mathematics 8 Online
OpenStudy (anonymous):

Help please :)

OpenStudy (anonymous):

OpenStudy (anonymous):

@wolfe8

OpenStudy (bibby):

break it up. what is the reciprocal of x?

OpenStudy (anonymous):

whats a reciprocal

OpenStudy (bibby):

flipping of a fraction.\[3- > \frac{ 1 }{ 3 }\]

OpenStudy (anonymous):

ok what do i do

OpenStudy (bibby):

what is the reciprocal of some number x?

OpenStudy (anonymous):

im really confused

OpenStudy (bibby):

ok, pretend x is 4,5,7, or 8 How would you get the reciprocal of that number? keep in mind you can rewrite them as\[\frac{ 4 }{ 1 } \frac{ 5 }{ 1 }\] etc.

OpenStudy (anonymous):

im sorry i dont rember how to do anything of this so im really confused

OpenStudy (bibby):

What is the reciprocal of x? x can be written as x/1.

OpenStudy (anonymous):

1/x?

OpenStudy (bibby):

exactly. so that reciprocal is multiplied by 3, then we add 2 to that result

OpenStudy (anonymous):

so 1/x is multiplyed by 3?

OpenStudy (bibby):

yeah, what does that give you?

OpenStudy (anonymous):

3? im not sure where about to do

OpenStudy (bibby):

\[\frac{ 1 }{ x } * 3\]

OpenStudy (anonymous):

3/x?

OpenStudy (bibby):

add 2 to the result of that

OpenStudy (anonymous):

5/x? am i do this right

OpenStudy (anonymous):

?

OpenStudy (bibby):

\[\frac{ 3 }{ x } + 2\] is not 5/x

OpenStudy (anonymous):

than 5/2x?

OpenStudy (bibby):

How are you adding fractions with unlike denominators?\[\frac{3}{x}+\frac{2}{1}\]

OpenStudy (anonymous):

i thought u nvm... i had to think of it more nvm^ is that how i would add them?

OpenStudy (bibby):

you don't have to add them. 3/x+2 is fine. if you want you can do this:\[\frac{ 3 }{ x } + \frac{2x}{x} = \frac{3+2x}{x}\]

OpenStudy (anonymous):

5x/x?

OpenStudy (bibby):

you can only add like terms. this is as simplified as it gets....

OpenStudy (anonymous):

so thats the answer?

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