3 7 x ) 6x July 8, 2019 16 32 64 128 3 7 x )+ 6x Y 3 7 6x x 2 3 2x 7 6x x 7 x 3 )= 6x 2 9 7 x 3 )= 5 6x 6x 5 3 x 7 3 x 7 )+ 9 4 5 x )+ 6x 3 7x 7 )=- 6 6x 6xy 3 7 x 3 6x 7 )- x =- 21 6x 6x 3 7 x )= 13 6x2 3 7 x
