# Coordinates of the vertices

Calculate the coordinates of the vertices of a triangle if the equations of its sides are

7x-4y-1 = 0

x-2y + 7 = 0

2x + y + 4 = 0

7x-4y-1 = 0

x-2y + 7 = 0

2x + y + 4 = 0

### Correct answer:

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