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The question is somewhat ambiguous because, thanks to limitations of the browser for posting questions, there is no visible sign between ax and by. I will assume it is + but the method is similar.

The simplest method is as follows:

Set x = 0 (cover up the x term) so that by = c and therefore y = c/b.

Mark the point P = (0, c/b) on the coordinate plane.

Set y = 0 (cover up the y term) so that ax = c and therefore x = c/a.

Mark the point Q = (c/a, 0) on the coordinate plane.

Join PQ and extend in both directions.


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11y ago
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Q: How do you describe how to graph the equation ax by equals c?
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