Selesaikan persamaan dibawah ini, sertai caranya 2(t+3)+7(t-3)=5(t-1)

2(t+3)+7(t-3)=5(t-1)
2t+6+7t-21=5t-5
2t+7t-5t= -6+21-5
4t=10
t=2,5

2(t+3) +7(t-3) = 5(t-1)
2t+6 + 7t-21 = 5t-5
2t+7t-5t = -5-6+21
4t = 10
t =2,5