5x 7 9 6 x 2 July 8, 2019 16 32 64 128 9 6 7 5x )= 8 2 x 4 5 x 5 x 5 x 5 x 5 –5x – 6 (9 – 2x) = 7x – 54 5 x 7 = 35
