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
+37159 Slope of given line = m = -1/3
New line thru point (-7,2)
y-2 = -1/3 (x +7) now manipulate this to the requested form to fin A and B ..................
