Answer:
12, 10, 8
Step-by-step explanation:
Substitute n = 1, n = 2 and n = 3 to find the 1st, 2nd and 3rd terms of the sequence:
[tex]a_n=12-2(n-1)[/tex]
[tex]\implies a_1=12-2(1-1)=12-2+2=12\\\\ \implies a_2=12-2(2-1)=12-4+2=10\\\\ \implies a_3=12-2(3-1)=12-6+2=8[/tex]