Perimeter = (3x - 5) + (15 - x) + (2x - 3)
35 = 4x + 7
28 = 4x
7 = x
(3x - 5): 3(7) - 5 = 21 - 5 = 17
(15 - x): 15 - (7) = 8
(2x - 3): 2(7) - 3 = 14 - 3 = 11
Answer: 17, 8, 11
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