4 4 7 x 9 1 3 July 8, 2019 16 32 64 128 4 4 7 x 9 1 3 as a fraction 4 3 4 x 9 1 2 x 7 4 7 x 6 1 4 7 x 3 9 4 x 2 )- 7 2x 1 )+ 9 3x 4 )= 30 4 3 7 5 * x 1 2 4 9 1 5 3 4 x 9 4 1 7 x − 5