# math

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I need help with rearranging this equation to isolate c

a=b((1/c)-(1/d))

I got this (a/b)+(1/d)=(1/c) but I don't know the last step with the reciprocal. Could someone please help, thank you

• math -

First, write a/b + 1/d with a common denominator.

You can easily take the reciprocal from here.

• math -

the computer said my answer was correct like this (a/b)+(1/d)=(1/c) but I need to do the reciprocal of (1/c) and I don't know how that will look in the equation

• math -

Here is how the equation should look:

a/b + 1/d = 1/c

Taking the reciprocal of both sides...

• math -

thank you. It worked

• math -

You're welcome.

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