I'm having trouble figuring out these three problems in geometry. I've tried solving them, but I can't seem to figure it out.

Write an equation of the line passing through point P( 4, - 6 ) that is perpendicular to the line y = -3. X =Write an equation of the line passing through peintPH.' O) that is parallel to the line x + 2}; = 12 . Write an equation of the line passing through point P(2, 3 ) that is perpendicular to the line y - 4 = - 2(x + 3)