Solve the inequality and graph its solution: x - 7> -20 a x> -13 -12 6 0 6 12 18 24 30 -30 -24 -18 b. x> -13 -6 0 6 12 18 24 30 -30 -24 -18 -12 cx< -27 6 0 6 12 18 24 30 -3024 -18 -12 x< -27 d. + + + --3026 -18 1 -12 6 0 6 12 18 24 30