7 2 x 3 )= 9 6x July 8, 2019 16 32 64 128 7 x 3 1 18 x 2 6x 9 7 x 2 6x 9 )+ 5 x 3 2x 7 2 ⋅ ( 7 + 9 x ) = − 6 x + 2
