1) 3 2x+1 = 27 a) x = 1 b) x = 0 c) x = -1 d) x = 3 2) (1/2) x = - 3 a) x = - 3 b) ∄ x ∊ ℝ c) x = 0 d) x = - 1 3) 2 x = 3⎷2 a) ∄ x ∊ ℝ b) x = 1 / 3 c) x = 3 d) x = - 3 4) 3 x = 1 a) x = - 1 b) x = 3 c) x = 0 d) ∄ x ∊ ℝ 5) 5 x = 25 a) x = 2 b) ∄ x ∊ ℝ c) x = - 2 d) x = 5 6) 9 x = 27 a) ∄ x ∊ ℝ b) x = 2 / 3 c) x = 3 / 2 d) x = 3 7) 8 x = - 64 a) x = 2 b) x = - 2 c) ∄ x ∊ ℝ d) x = 8 8) 3 x = 1 / 3 a) ∄ x ∊ ℝ b) x = 1 c) x = -1  d) x = 0 9) 3 x · 9 = 1 / 3 a) x = - 1 b) x = - 3 c) x = 3 d) ∄ x ∊ ℝ 10) 4 x · 1 / 2 = 8 a) x = - 2 b) x = 0 c) ∄ x ∊ ℝ d) x = 2 11) 4 x = - 2 a) ∄ x ∊ ℝ b) x = 1 / 2 c) x = - 1 / 2 d) x = 1 12) 5 2 - x = 1 / (125) a) x = 5 b) ∄ x ∊ ℝ c) x = - 3 d) x = - 5 13) 8 - x = 2 a) x = 3 b) x = - 3 c) ∄ x ∊ ℝ d) x = - 1 / 3 14) 2 x -3 = 8 a) x = -3 b) ∄ x ∊ ℝ c) x = 6 d) x = 3 15) 3 x - 3 = 9 a) ∄ x ∊ ℝ b) x = 5 c) x = - 5 d) x = 4 16) 9 x - 3 = 3 a) x = 7 / 2 b) x = 2 / 7 c) x = - 2 / 7 d) x = - 7 / 2 17) 3 3 x + 2 = 9 x - 1 a) x = - 2 b) x = 3 c) ∄ x ∊ ℝ d) x = - 4 18) 5 2 x = 25 2 - x a) ∄ x ∊ ℝ b) x = - 2 c) x = 3 d) x = 1 19) 81 x = 3 x + 9 a) x = 3 b) ∄ x ∊ ℝ c) x = - 2 d) x = - 5

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