4 5x 7 5 x 2 July 8, 2019 16 32 64 128 5 4 5x 1 )= 5 7 0 5 x 20 4 x 2 )/ 5 7 5x 13 2x 5x 4 7 x 1 )- 5 4 5x 2 )- 7 1 2x )+ 5 8 x 5 2x 3 )- 4 5x 7 )= 19 2 x 11 4 5x 2 )- 7 3x 5 )= x 31 3x 4 2 5x )= 7 x 5 )- 11 5x 2x 4 x 7 5 Solve 5x 5 x 2 x 4 )+ 7 4 x 2 ⁄ 5 7 5x ⁄ 13 5x 2x 4 x 7 5 comprobacion 2x 1 3 5x 4 7 x 5 2 5
