SOLUTION: If the two adjacent angles of a parallelogram are (3x – 20)° and (50 – x)°, then find the value of x.

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Question 955545: If the two adjacent angles of a parallelogram are (3x – 20)° and (50 – x)°, then find
the value of x.
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of adjacent angles of a parallelogram is 180 degrees.
(3x–20)°+(50–x)°=180°
2x+30°=180° Subtract 30° from each side.
2x=150° Divide each side by 2.
x=75° ANSWER x is 75 degrees.