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dahhliaxo
Answer is 98°.
You must add both degrees and then subtract from 180°.
Samson2007

Answer:

∠x = 46°

Step-by-step explanation:

We have triangle = 180° = 18° + ∠x + (180° - 64°)

=> ∠x = 180° - 18° - 116° = 46°

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