15 x 10 2 5 July 8, 2019 16 32 64 128 Solve x 15 10 2 5 15 x 2 )= 3 5x 10 15 5 6 x 10 2 5 15 x 10 2 5.2 x 10 5 ( 10 15 x 2 3 50 15 7 5 x 10 72 2 4 5 (- 2 15 )- x =- 3 10 10 2 x )= 15 x 1 )+ 5 15 x 10 15 x 14 15 x 2 5
