Answer:
64
Step-by-step explanation:
When two angles are supplementary, their measures must add up to 180 degrees. Therefore:
x+y=180
x+116=180
x=180-116=64 degrees
Hope this helps!
∠x = 64°
∠x+∠y=180°
∠x+116°=180°
Subtract 116° from both sides
∠x=64°
