5 ∣ x − 9 ∣ − 3 12 July 8, 2019 16 32 64 128 5 9 x (3 12) 5 9 x 1 4 4 9 x 3 12 5x 9 =- 3 12 5x 1 5 9 x 2 3 12 9 5 x 4 3 12 15 12 x 5 9 3 8 7 12 5 9 x 3 8 19 15 7 12 5 9 x 3 8 chia 19 15 5 12 x 9 2 3 9 5 x 3 12 x 16 2 3 x 5 9 7 12 5 12 x 4 9 x 3 10 Resolva a expressão 9 5 x 4 3 12 15 2x 9 4x 3 5 x 12