Equation says this:
But the book tells me it can also be written like this:
I got confused on how that could be so I tried to get the second expression of a line from the first expression of the line by trying cross multyplication:
But I get this which is close but not it:
Although when I do this:
I get something that resembles the equation in the second part:
Am I doing something wrong here? How does this form a line exactly because I grew up with the y = mx+b equation and this is the first time I am seeing this.