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Mathematics 20 Online
OpenStudy (anonymous):

Solve the equation below for c. a = b + c/d

OpenStudy (godlovesme):

|dw:1421808275076:dw| is that right?

OpenStudy (godlovesme):

@rebeccahumbarger u there?

OpenStudy (anonymous):

yes that what it looks like

OpenStudy (anonymous):

well subtract b bothsides

OpenStudy (anonymous):

then multiply by d and there you go!

OpenStudy (anonymous):

I have no idea howto do that

OpenStudy (anonymous):

?

OpenStudy (anonymous):

you don't know how to subtract?

OpenStudy (anonymous):

no I don't know how to subtract letters

OpenStudy (anonymous):

|dw:1421797979442:dw|

OpenStudy (anonymous):

so now multiply bothsides by d to get rid of denominator

OpenStudy (anonymous):

\[d(a-b)=\left( \frac{ c }{ d } \right)d\]

OpenStudy (anonymous):

d will cancel out and \[c=d\left( a-b \right) or c=ad-bd \]

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