Answer:
The answer to your question is: x = 9
Step-by-step explanation:
From the picture we can see that ∠N = ∠M because it is an Equilateral triangle.
The angles in an equilateral triangle = 60°
7x - 3 = 60
7x = 60 + 3
7x = 63
x = 63 / 7
x = 9
11y + 5 = 60
11 y = 60 - 5
11y = 55
y = 55/11
y = 5
