Answer:
x = 6°
Step-by-step explanation:
∠7 and ∠5 are equal because the two intersecting lines are parallel.
The equation is:
78° = 12x + 6°
Subtract 6 from both sides
72° = 12x
Divide by 12 on both sides
6° = x
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-Chetan K
9
(9*3) = 27 which is 20 more than 7
saw this question on egde its b
Its D thats the answer
