8x - 7y - 7 = 0 bx - ay – 3a – 2b = 0 i) In a cyclic quadrilateral ABCD, ZA = (x + 2y + 7)º, ZB = (2x + y + 7)', ZC = (4x + y + 3)º and ZD = (4x + 8). Find the four angles. m the pair of linear equations in the following problems, and find their solutions
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