0.3-8+(4.98t)=12+0.3-0.02t
0.3 – 8 + 4.98t = 12 + 0.3 – 0.02t
4,98t + 0,02t = 0,3 + 12 + 8 – 0,3
5t = 20
t = 4
0.3-8+(4.98t)=12+0.3-0.02t
0.3 – 8 + 4.98t = 12 + 0.3 – 0.02t
4,98t + 0,02t = 0,3 + 12 + 8 – 0,3
5t = 20
t = 4