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Lets do a couple of problems graphing linear equations. They are a bunch of ways to graph linear equations. What well do in this video is the most basic way. Where we will just plot a bunch of values and then connect the dots. I think youll see what Im saying. So here I have an equation, a linear equation. Ill rewrite it just in case that was too small. y is equal to 2x plus 7. I want to graph this linear equation. Before I even take out the graph paper, what I could do is set up a table. Where I pick a bunch of x values and then I can figure out what y value would correspond to each of those x values. So for example, if x is equal to-- let me start really low-- if x is equal to minus 2-- or negative 2, I should say-- what is y? Well, you substitute negative 2 up here. It would be 2 times negative 2 plus 7. This is negative 4 plus 7. This is equal to 3. If x is equal to-- Im just picking x values at random that might be indicative of-- Ill probably do three or four points here.