In this case, we are given that the slope is $\frac{3}{7}$ and the two points are $(x, -4)$ and $(2, -1)$. Plugging these values into the formula, we have:
$\frac{3}{7} = \frac{-1 - (-4)}{2 - x}$
Simplifying the numerator and denominator, we get:
$\frac{3}{7}
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