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a. b. 1) a + a + a + a = 4a 2) 3a x 2b = 5ab 3) c x c = 2c 4) 4d + 2e - d + 3e = 3d + 5e 5) 8f - 3g + 2f - 6g = 10f - 3g 6) 5y - y = 5 7) Find the perimeter of this shape a 2 b 2 8) b x b x b x b = b 4 9) 3(2k + 3) = 6k + 3 10) a(a + 3) = a 2 + 3a.
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a b 1) a + a + a + a = 4a 2) 3a x 2b = 5ab 3) c x c = 2c 4) 4d + 2e - d + 3e = 3d + 5e 5) 8f - 3g + 2f - 6g = 10f - 3g 6) 5y - y = 5 7) Find the perimeter of this shape a2b2 8) b x b x b x b = b4 9) 3(2k + 3) = 6k + 3 10) a(a + 3) = a2 + 3a