Answer:
It is 9
Step-by-step explanation:
[tex]4(y + z)[/tex]
when y is 5, z is 4
substitute:
[tex] = 4(5 + 4) \\ = 36[/tex]
y=5 z = 4 - substitution
4 (5 + 4) = 4 (9) = 36
