1) 1\3X = 6 ---> X = 6 : 1\3 = 18 2) 3\5X = 6 ---> X = 6 : 3\5 = ( 6 * 5) \ 3 = 10 3) 3\7X = 9 ---> X = 9 : 3\7 = ( 9 * 7 ) \ 3 = 21 4) 1\4X = 7 --> X = 7 : 1\4 = 28 5) 2\9X = 4 ---> X = 4 : 2\9 = ( 4 * 9 ) \ 2 = 18 6) 4\7X = 12 ---> X = 12 : 4\7 = ( 12 * 7 ) \ 4 = 21