Shido88
Rearange this equation to isolate c



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Shido88
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dw:1358803835304:dw

Shido88
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i know the first step is divide by b but I'm stuck what to do next ?

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@Mertsj

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@Mertsj come here

Mertsj
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Then multiply both sides by the common denominator which is cd

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dw:1358799281945:dw

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Add c to both sides and then factor out the c.

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\[\frac{acd}{b}+c=d\]

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\[c(\frac{ad}{b}+1)=d\]

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\[c(\frac{ad+b}{b})=d\]

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\[c=\frac{bd}{ad+b}\]