Answer
$x=t,y=t-2$ with $2\le t\le7$.
Work Step by Step
Answer may vary.
1. The line segment follows the equation $y-0=(\frac{5-0}{7-2})(x-2)$ or $y=x-2$ with $2\le x\le7$
2. Let $x=t$, we have $y=t-2$ with $2\le t\le7$.
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