???????????? "passeseseeseseeese thru" ?????????????? a line GO THRU a point.... yu want point=(0,-15).... parallel tu line...5x-4y=12, or 4y=5x-12, or y=(5/4)x + sumthun... slope=5/4... line: y=(5/4)x+ konst... tu make line go thru (0,-15), formula is y=(5/4)x -15