# a + b + c + d??

Algebra Level 3

$\large \frac{1}{a} + \frac {1}{b} + \frac{1}{c} + \frac{1}{d} = 2$

Distinct natural numbers $$a$$, $$b$$, $$c$$ and $$d$$ satisfy the equation above. Find the value of $$a + b + c + d$$.

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