Ill pay for whoever gets this right 10 dollars (if right)

Answer:
101°
Step-by-step explanation:
[tex]50 \degree + x \degree + (180 - 151) \degree = 180 \degree \\ \\ 50 \degree + x \degree +29 \degree = 180 \degree \\ \\ x \degree +79 \degree = 180 \degree \\ \\ x \degree = 180 \degree - 79 \degree\\ \\ x = 101 \degree[/tex]
Another way:
x° + 50° = 151° (Alternate angles)
x° = 151° - 50°
x° = 101°
x = 101