Answer:
x = 9
Explanation:
You want to use the fact that the marked angles are congruent to find the value of x. The angles are marked (6x -20)° and (2x +16)°.
Congruent angles
The marked angles are alternate exterior angles at a transversal crossing parallel lines, so they are congruent.
(6x -20)° = (2x +16)°
4x = 36 . . . . . . . . . divide by °, add 20-2x
x = 9 . . . . . . . . . divide by 9
The value of x is 9.
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