SOLUTION: Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$

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Question 1164035: Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!






Slopes of parallel lines are equal, so the slope of the desired line is

An equation of a line with slope that passes through the point is, using the Point-Slope form:





And in form:



But we want a form of the equation where the constant term is 3, so:



You can do



John

My calculator said it, I believe it, that settles it