Let's assume those arrowheads indicate parallel lines
Then SR is a transversal of parallel lines, so we have supplementary angles RSV and SRU
RSV + SRU = 180°
5x+4° + 44°+x = 180°
6x + 48° = 180°
6x = 132°
x = 22°
Answer: 22°
Check:
5x+4=5(22)+4=110+4=114
44+x=44+22=66
114+66=180, good
