Given that $x\leq 3$ and $x+y\geq 5$, what is the LEAST value that $y$ can have?

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Since the sum of $x$ and $y$ needs to be greater than or equal to 5, we can minimize $y$ by maximizing $x$.

The maximum value of $x$ is 3.

$$x+y \geq 5$$ $$3 + y \geq 5$$ $$y \geq 2$$