What is the value of x?
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x = 9, y = 5

Step-by-step explanation:

This is an equilateral triangle, so all angles are the same:  60 degrees.

Then 7x - 3 = 60 and 11y + 5 = 60.

Consequently, 7x = 63 and x = 9; 11y = 55 and y = 5

-14 is the answer

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