Answer:
D) 12
Explanation:
The two angles are vertical angles. Vertical angles are equal
7x-4 = 6x+8
Subtract 6x from each side
7x-6x -4 = 6x-6x+8
x-4 = 8
Add 4 to each side
x-4+4 = 8+4
x = 12
Vertical Angles are equal. Therefore:
(7x -4) = (6x +8)
answer is D
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