7.5n 4 n 3 )= 2n 9 July 8, 2019 16 32 64 128 7.5 n 4 n 3 2n 9 Solve 7.5 n 4 n 3 2n 9 Solve 7.5 n 4 n 3 2n 9 check your solution 7.5n - 4(n - 3) = 2n + 9