3 7t 2 ) 9 6 3t 10 July 8, 2019 16 32 64 128 3 7t 2 )+ 9 6 3t 10 2 7t+3 6t-1 8t=36 4 3) 7(6 - 5t) - 5 1-41t 9t - 3t + 4
