2 4 5 7 12 July 8, 2019 16 32 64 128 2 x 7 5 x 4 1250 2 n 7 5 n 4 1250 5 7 12 m 2 4 9 2 4 3x )+ 12 7x 5 2x 7 2 4 5 divided by 7 12 2 5 x 4 7 12 1 2 3 5 4 vĂ 7 12 2 4 7 x 5 12 2 3 chia 4 5 chia 7 12 2 x 7 * 5 x 4 1250 find x 2 x 7 4 2x 5 12 4 7x 4 5 3x 2 7 12 2 n 7 * 5 n 4 1250 find n 5 6 2 3x3 4 7 12 2 3x 3 12 4 5 7 x 2