2 3 n 6 )= 5n 43 July 8, 2019 16 32 64 128 2 + 3 + 4 + 5 + 6 6) 5(n - 2) - 6(n + 3) - 3(2n - 9) 6) 4(5 - n) - 3(2n + 7) = 0 2 5(-3n+4a)=