12 x 3 )= 4 2x 9 ) 4x July 8, 2019 16 32 64 128 12 x 3 )= 4 2x 9 )+ 4x 12 x 3 )= 4 2x 9 )+ 4x answer 12 x 3 )= 4 2x 9 )+ 4x how many solutions 12 x 4 + 3 4 + 4 = 12 12 - 4(x - 3) = 39 - 9x