Posted by k on .
determine the equation of a line that passes through (2,1) and is parallel to the line 3x7y=5

Math 
Reiny,
Since it is parallel it would only differ in the constant
let the equation be
3x7y = c
but (2,1) lies on it, so
3(2)  7(1) = c = 1
3x  7y = 1