3 2x 5 )=- 6x 21 July 8, 2019 16 32 64 128 5 3 2x 7 )= 5 6x 21 5 2x − 3 − 6x 21 4x − 10 5 6x 21 =- 1 3 2x 9 What algebraic property is 5 3 2x 7 )= 5 6x 21 3x + 2y = 6
