SOLUTION: 1/a+1/b=c solve for a

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Question 575998: 1/a+1/b=c solve for a
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+1%2Fa%2B1%2Fb=c+
Multiply both sides by +a%2Ab+
+b+%2B+a+=+a%2Ab%2Ac+
Subtract +a+ from both sides
+b+=+a%2Ab%2Ac+-+a+
factor out +a+ from the right side
+b+=+a%2A%28+b%2Ac+-+1+%29+
Divide both sides by +b%2Ac+-+1+
+a+=+b+%2F+%28+b%2Ac+-+1+%29+