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Let's set up an equation to solve for x:
(x-5) + (3x) = 107
Combine like terms:
4x - 5 = 107
Add 5 to both sides:
4x = 112
Divide by 4:
x = 28
Now we can find the measure of each angle:
(x-5) = (28-5) = 23 degrees
(3x) = (3*28) = 84 degrees
So, the angle measures of the two unknown angles are 23 degrees and 84 degrees. The answer is 23° and 84°.