19 2dFree math problem solver answers your algebra, geometry, tronometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.The answer to 19-2d=-20-17d-6 is d=-3; Solve for d: 19-2d=-20-17d-6; The solution is d=-3; Study Tools AI Math Solver Popular Problems Worksheets Study Guides Practice Cheat Sheets