blu77 blu77 01-10-2020 Mathematics contestada Write an equation for “a number decreased by -4 is equal to 15”. Then solve the equation. A. x - 4 = 15; x = 19 B. x - (-4) = 15; x = -19 C. x - (-4) = 15; x = 11 D. (-4) - x = 15; -19 = x