Question 974251
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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