SOLUTION: 1/a + 1/b = 1/c need final formula & steps to solve for c

SOLUTION: 1/a + 1/b = 1/c need final formula & steps to solve for c

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Question 421836: 1/a + 1/b = 1/c
need final formula & steps to solve for c
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
1/a + 1/b = 1/c
cb+ca=ab multiply each side by abc.
c(b+a)=ab
c=ab/(b+a)
.
Ed
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