Find the equation of the line through the point (3,4) and parallel to the x axis.  Do not use any space between the letter (lower case), symbol and number, say x+y=1
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All lines parallel to the x axis are of the form y=a where a is a constant. It just means that for all x y=a. We only have to know the y coord of the point it passes through to find a, so a=4 and y=4 is the equation.

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