3 5 x 12 )=- 4 x 9 ) 1 July 8, 2019 16 32 64 128 3 5 x 12 )=- 4 x 9 )+ 1 5 12 x 4 9 x 3 10 5 12 x 4 11 x 3 10 x 2 9 4 5 x 9 )- 1 5x 3 5 x 12 3 x-5=x+3
