10 3 5x July 8, 2019 16 32 64 128 10 3 5x 4 10 3 5x 1 10 3 5x 2 10 3 5x 2 )- 7x 10 x 3 )=- 5x 10 1 5x 3 2 30x 3 10 5x 2x 3 10 5x 3x 10 5x 3 4x 10 5x 3 7x 10 5x 3 3 (- 5x 10 )= 30 3 5x 10 13 3 10 5x 12 10 8x 3 2 5x 8