1) 8b = 64 a) b = 5 b) b = 6 c) b = 7 d) b = 8 2) D2 = 100 a) d = 50 b) d = 10 c) d = 5 d) d = 12 3) 5a = 60 a) a = 10 b) a = 5 c) a = 13 d) a = 12 4) 4x - 1 = 23 a) x = 5 b) x = 6 c) x = 7 d) x = 8 5) 3k + 6 = 33 a) k = 9 b) k = 10 c) k = 11 d) k = 12 6) 20 - f = 9 a) f = 9 b) f = 8 c) f = 11 d) f = 10 7) 12y - 8 = 40 a) y = 3 b) y = 4 c) y = 8 d) y = 10 8) 2x + 10 = 6 a) x = 4 b) x = 2 c) x = -4 d) x = -2 9) 4d - d = 30 a) d = 7.5 b) d = 10 c) d = 8 d) d = 11 10) 4x + 3 = 2x + 11 a) x = 4 b) x = 5 c) x = 6 d) x = 7

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