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Answer
La expresión
es
.
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To solve the equation
, we can first manipulate the given equation. Rewrite the left side to have a common denominator:
Cross-multiplying gives:
This simplifies to:
Thus, we find
.
Now substituting
into
:
We can evaluate
with any specific value for
(or
) since they are equal, leading to a cleaner solution based on substitution!