can someone help me out-? thanks hopefully the picture is there- :,D

Answer:
2a-12-16b
Step-by-step explanation:
[tex]4((\frac{a}{2} -3)-4b)=[/tex][tex]4((\frac{a-3(2)}{2} )-4b)[/tex][tex]=2(a-3(2))-4(4B)=2a-12-16b[/tex]