Quiero resolver problemas se evaluación

[] Answer []
[tex]\boxed{18}[/tex]
[tex]\boxed{45}[/tex]
[] Explanation []
X = 4
Y = 6
Z = 3
===================
3x + y
Substitute Numbers Into Equation:
3 * 4 + 6
3 * 4 = 12
12 + 6 = 18
===================
15z
Insert Numbers Into Equation:
15 * 3 = 45
[tex]\boxed{[] \ Eclipsed \ []}[/tex]