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Mathematics 18 Online
OpenStudy (anonymous):

solve by graphing: x+y=6 x-y=4

OpenStudy (katy):

So what you're looking for is the intersection of the two graphs. The easiest way to graph linear equations (with out exponents on the variables) is in y-intercept formula. So start by rewriting each equation with y by itself on one side of the equation. Once you have that we can go from there.

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