8 7 5x 3 1 5x 12 July 8, 2019 16 32 64 128 8 7 5x 3 1 4x 12 5 x 7 = 35 (-5 7+1 8) ×1 5 5 x + 1 8 = 7 x + 6 ( 3 x − 7 )
