Answer:
x = 61
Explanation:
Supplementary angles add to 180°, so we have ...
(2x) + (x -3) = 180
3x = 183 . . . . . . . . . add 3
x = 61 . . . . . . . . . . . divide by 3
The value of x is 61.
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The angles are m∠P = 122°, m∠Q = 58°. Their sum is 180°.