Answer:
x = 53
Explanation:
Those 2 are alternate interior angles. So that means they're the same
2x - 20 = 86 <-- Add 20 to the right side
2x = 106 <-- Divide by 2
53
86 = 2x - 20
+20 +20
106 = 2x
2 2
53 = x
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