Answer:
[tex]\boxed {39}[/tex]
Step-by-step explanation:
-Solve the following expression when [tex]a = 4[/tex] and [tex]b = 5[/tex]:
[tex]a - 7b[/tex]
-Apply both the value of [tex]a[/tex] and [tex]b[/tex] to the equation:
[tex]4 - 7(5)[/tex]
-Simplify:
[tex]4 - 7(5)[/tex]
[tex]4 - 35[/tex]
[tex]\boxed {39}[/tex]
Therefore, the answer is [tex]39[/tex].
