4 13-x=3 2 July 8, 2019 16 32 64 128 4 13 x 3 2 2x 13 3 x 4 13 x 20 3 4 13 4 x 2 3 as a fraction X 4 13 x 3 26 3 4 x 13 21 4 13-х=3 2
