$y=\frac{1}{2} x+3$

Step 1 ：The given equation is in the form of a linear equation, which is $y = mx + c$, where $m$ is the slope of the line and $c$ is the y-intercept.

Step 2 ：In this equation, the slope of the line is $\frac{1}{2}$ and the y-intercept is 3.

Step 3 ：This means that for every unit increase in $x$, $y$ increases by $\frac{1}{2}$, and when $x$ is 0, $y$ is 3.

Step 4 ：The plot of the equation $y=\frac{1}{2} x+3$ is a straight line with a slope of $\frac{1}{2}$ and a y-intercept of 3.

Step 5 ：\(\boxed{\text{Final Answer: The line increases by } \frac{1}{2} \text{ for every unit increase in } x. \text{ When } x \text{ is 0, } y \text{ is 3.}}\)