Step-by-step explanation:
Since the the two angles are complementary, then
[tex](3x + 2) + (5x - 14) = 90[/tex]
or
[tex]8x - 12 = 90 \Rightarrow 8x = 102[/tex]
[tex]x = 12.75[/tex]
so
[tex]\angle{YXZ} = 5(12.75) - 14 = 49.75°[/tex]
