Answer
$\displaystyle \frac{x-2}{2x+7}$
Work Step by Step
To subtract rational expressions with the same denominator,
subtract numerators and place the difference over the common denominator.
If possible, factor and simplify the result.
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$\displaystyle \frac{x}{2x+7}-\frac{2}{2x+7}=\frac{x-2}{2x+7}$