1) x + 3 = 8 a) x = 5 b) x = 3 c) x = 8 2) x + 7 = 10 a) x = 7 b) x = 3 c) x = 17 3) x + 2 = 9 a) x = 2 b) x = 7 c) x = 11 4) x + 4 = 5 a) x = 5 b) x = 9 c) x = 1 5) x - 3 = 9 a) x = 12 b) x = 6 c) x = 3 6) x - 9 = 10 a) x = 10 b) x = 0 c) x = 19 7) x - 6 = 4 a) x = 4 b) x = 6 c) x = 10 8) x - 3 = 12 a) x = 15 b) x = 9 c) x = 10 9) 5x = 30 a) x = 3 b) x = 6 c) x = 5 10) 3x = 27 a) x = 12 b) x = 7 c) x = 9 11) 4x = 40 a) x = 8 b) x = 10 c) x = 4 12) 7x = 28 a) x = 4 b) x = 7 c) x = 5

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