5 2x 3 )- 4x =- 4 3 x 4 July 8, 2019 16 32 64 128 5 2x 3 )- 3 2x 1 )- 48 4 x 3 )- 4 4x 7 )+ 30 2x 3 5 x 3 4 4x 1 4 3 x-5=x+3