3 (t+5t-6+9)-15t what is the
3 (t+5t-6+9)-15t what is the
first you multiply 3 times everything in the parenthesis, then we end up with (3t+15t-18+27)-15t then we add 3t+15t=18t -18+27=11 so we end up with something like this (18t+11)-15t 18t+11=29t 29t-15t=14t