This tutorial teaches you how to find a mathematical equation of a line given 2 points that exists on the line. The tutorial starts off with 2 points labeled (2,4) and (3,6). The first step is to determine the slope of the line using the formula given in the tutorial in blue. The slope is then solved as 'm'. Plug the slope and the points into another formula given in green. The tutorial maker provides a tip that one can use x1 and y1 or x2 and y2, however, it must be consistent. After, solve so that y is on the left side and x is on the right side of the equal sign. The tutorial maker then provides another example to demonstrate finding the equation of a line given 2 points. If you follow the process shown in the video, you will be able to find the equation of a line given 2 points.
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