Answer please due now!!!

Answer:
[tex]\frac{3}{2}[/tex]
Step-by-step explanation:
Substitute a = 4 and b = - 1 into the expression
[tex]\frac{5-2(4+3(-1))}{2}[/tex]
= [tex]\frac{5-2(4-3)}{2}[/tex]
= [tex]\frac{5-2(1)}{2}[/tex]
= [tex]\frac{5-2}{2}[/tex]
= [tex]\frac{3}{2}[/tex]