Answer:
x = 51.5 degrees
Explanation:
We know that all the angles in a triangle add up to 180 degrees, which means that (x+12) + (x+2) + 63 should equal 180 degrees.
x + 12 + x + 2 + 63 = 180
2x + 14 + 63 = 180
2x + 77 = 180
2x = 103
x = 51.5 degrees
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