t-2(3-2t)=2t+9 algebra2
t-2(3-2t)=2t+9t-6+4t=2t+95t-6=2t+95t-2t=9+63t=15t=15/3t=5
t-2(3-2T)=2T+9
T-6+4T=2T+9
5T-6=2T+9
3T=15
T=5