Evaluate and simplify the expressionwhen a = 4 and b = -1.

The given expression is,
[tex]\frac{5-2(a+3b)}{2}[/tex]When a = 4 and b = -1, we have,
[tex]\frac{5-2(4+3\times(-1))}{2}=\frac{5-2(4-3)}{2}=\frac{5-2}{2}=\frac{3}{2}_{}[/tex]