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Let the measure of the first angle be x°.
Then the measure of the second angle is 3x°.
The resulting obtuse angle is the sum of these two angles: (3x°) + (x° - 5°) = 107°.
Combining like terms, we get 4x° - 5° = 107°.
Adding 5° to both sides, we get 4x° = 112°.
Dividing both sides by 4, we get x° = 28°.
Therefore, the measure of the first angle is 28° and the measure of the second angle is 3(28°) = 84°. Answer: \boxed{28, 84}.