SOLUTION: 1/AB = 1/BC - 1/CD solve for C

Question 1105880: 1/AB = 1/BC - 1/CD solve for C
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52782) (Show Source): You can put this solution on YOUR website!
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Just solved at this link
https://www.algebra.com/algebra/homework/Expressions-with-variables/Expressions-with-variables.faq.question.1105881.html

https://www.algebra.com/algebra/homework/Expressions-with-variables/Expressions-with-variables.faq.question.1105881.html

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1/AB = 1/BC - 1/CD solve for C
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1/AB = (1/C)*(1/B - 1/D) = (1/C)*((D-B)/BD)
C/AB = (D-B)/BD
C/A = (D-B)/D
C = (AD-AB)/D

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