2n 3 4n 5 )=- 6 n 3 )- 1 July 8, 2019 16 32 64 128 6) 4(5 - n) - 3(2n + 7) = 0 (4 + 3n) ⋅ (3n − 2n) − (n − 1) ⋅ 5n =