Slope is also known as rise over run -

Here, we have the slope

. This means that the rise is

and the run is

. Since both values are positive, we can say that we go up one and we go right four. When we plot this on a graph (the graph is attached), we get the same exact formula we found. **In the graph, I plotted the line

**. Hope this helped!
2x+9=6x+7. 2x+2=6x. 2=4x. X=1/2 a year
Dont say you can't! I believe in youu!