SOLUTION: Hi and thank you for answering my question: If 1/a = 1/b + 1/c, find the value of a where b= -4 and c= 6.5. Thanks! :)

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Hi and thank you for answering my question: If 1/a = 1/b + 1/c, find the value of a where b= -4 and c= 6.5. Thanks! :)      Log On


   

Question 974251: Hi and thank you for answering my question:
If 1/a = 1/b + 1/c, find the value of a where b= -4 and c= 6.5.
Thanks! :)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If 1/a = 1/b + 1/c, find the value of a where b= -4 and c= 6.5.
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1st:: Solve for "a":
1/a = (c+b)/bc
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a = (bc)/(b+c)
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Evaluate::
a = (-4*6.5)/(-4+6.5)
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a = (-26)/2.5
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a = -10.4
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Cheers,
Stan H.
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