Use the following clues to write equations for the "mystery" lines Mystery line A
clue 1: My slope is a negative number whose absolute value is the only even prime number.
clue 2: I contain a point on the y-axis whose coordinate is the positive number whose square is 196.

Mystery line B:
clue 1: I contain a point with x-coordinate 5 and whose y-coordinate is 3 less than the x-coordinate.
clue 2: I also contain the origin of the coordinate system