5 x 3 )- 7 x 4 )= 9 x July 8, 2019 16 32 64 128 5 x 7 5 x ( 9 x 2 )+ 4 x 3 + 2 4 x 5 )+ 2 x 9 )= 3 x 7 )- 1 (- 4 5 * x 3 7 * x * 15 16 * x (- 14 9 7 8 x 7 3 x 7 4 7 9 x 7 5 7 x 4 ≤ 2 x − 5 )+ 3 x 9 5 x 7 = 35 3 x-5=x+3 5 x 5 x 5 x 5 x 5
