Algebra I Chapter 8

Find the perimeter of the triangle pictured. A triangle has sides of length 3x + 4y, 5y + 6 – 2x, and 7 + 8x. What is the perimeter of the triangle? Find the missing side for the triangle below with a known perimeter of 12a + 7b + 5c. A triangle has a perimeter 10x2 – 3xy + 6y2. ................
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