Answer:
x = 16°
Explanation:
It is 90° angle so their sum must be 90°( complement) .
3x + 5° + 37° = 90°
3x + 42° = 90° ... simplify the like term
3x = 90° - 42°
3x = 48°
3x/3 = 48°/3
So the answer is C, 16
C) 16
(3x + 5) + 37 = 90
3x = 90 - 5 - 37
3x = 48
x = 48/3 = 16
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