12 9 2x 4 3 July 8, 2019 16 32 64 128 12 4 2x 9 )=- 8 x 3 3x 12 4 2x 3 )+ 9 12 x 3 )= 4 2x 9 )+ 4x X 2 12 2x 3 9 4 3x 18 2x 9 4 x 7 12 x 3 12 x 3 )= 4 2x 9 )+ 4x answer 12 x 3 )= 4 2x 9 )+ 4x how many solutions 10 2x 9 12 2 3 )/ 4 12 x 4/9 12 4 - 9 36 12 2 x 4 3