5 7-x=8 9 July 8, 2019 16 32 64 128 5 7 x 8 9 5 7 x 8 9 as a fraction 5 7 х 8 9 5 7 x 3 8 9 8 9 5 x 7 4 5 7 8 x 9 envelope 5 x 7 = 35 9 x 8 = 5 - 8
