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In the diagram, ABC is an equilateral triangle. Find the value of (x + y).
Equilateral triangle has all the sides equal
(3x + 2) = (2y + 3) = 11
Solve for the values of x and y
3x + 2 = 11
3x = 11 - 2
3x = 9
Divide both sides by 3
3x/3 = 9/3
x = 3
2y + 3 = 11
2y = 11 - 3
2y = 8
Divide both sides by 2
2y/2 = 8/2
y = 4
x + y = 3 + 4 = 7
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