6 3x 1 =- 5x 7 July 8, 2019 16 32 64 128 3x 6 5x 10 7x 1 180 5x 6 7 3x 1 4 x 16 5 5x 3x 1 6 7 x 6 3 1 5x )+ 5 3x 7 3x 6 5x 10 7x 1 4 3x 1 )- 7x 6 5x 2 5 x 7 = 35