1) x + 5 = 8 a) x = 3 b) x = 5 c) x = 8 d) x = 4 2) x + 28 = 11 a) x = 17 b) x = -17 c) x = 18 d) x = -11 3) 15 = x + 20 a) x = 20 b) x = -15 c) x = 15 d) x = -5 4) -3 = x + 10 a) x = -13 b) x = 13 c) x = 10 d) x = -10 5) x - 9 = 1 a) x = - 9 b) x = 1 c) x = 10 d) x = -10 6) 3x = 15 a) x = 3 b) x = 5 c) x = 15 d) x = 12 7) 8x = 64 a) x = 6 b) x = 7 c) x = 8 d) x = 9 8) 32x = 8192 a) x = 246 b) x = 266 c) x = 250 d) x = 256 9) 21x = 252 a) x = 12 b) x = 10 c) x =11 d) x = 14 10) 12x = 36 a) x = 2 b) x = 3 c) x = 4 d) x = 5 11) 6x = 2x + 16 a) x = 2 b) x = 3 c) x = 4 d) x = 5 12) 2x + 3 = x + 4 a) x = 2 b) x = 3 c) x = 4 d) x = 1 13) 4x-10 = 2x + 2 a) x = 6 b) x = 8 c) x = 10 d) x = 5 14) 2x + 1 = 4x-7 a) x = 2 b) x = 3 c) x = 4 d) x = 5 15) 3x + 9 + 3x = 15 a) x = 1 b) x = 3 c) x = 4 d) x = 2 16) 16x-1 = 12x + 3 a) x = 2 b) x = 3 c) x = 1 d) x = 4 17) 5x-3 + x = 2x + 9 a) x = 2 b) x = 3 c) x = 4 d) x = 5 18) 2x + x - 4 = 17 - 2x + 1 a) x = 22 b) x = 23 c) x = 24 d) x = 21 19) 8x - 4 = 3x-2x + 45 a) x = 6 b) x = 5 c) x = 7 d) x = 8 20) 3 (x-2) = 2x-4 a) x = 2 b) x = 3 c) x = 4 d) x = 5 21) 2 (x-1) = 3x + 4 a) x = 4 b) x = 5 c) x = 6 d) x = -6 22) 2x + 3x + 9 = 8 (6 - x) a) x = 3 b) x = 4 c) x = 5 d) x = 6 23) 4 (x + 10) -2 (x-5) = 0 a) x = 10 b) x = -24 c) x = -25 d) x = 25 24) 3 (2x + 3) -4 (x-1) = 3 a) x = 3 b) x = 4 c) x = 5 d) x = -5 25) 7 (x-1) -2 (x-5) = x-5 a) x = 2 b) x = -2 c) x = 7 d) x = -5 26) 3 (5 - x) -3 (1- 2x) = 42 a) x = 3 b) x = 10 c) x = 5 d) x =42 27) (x-3) - (x + 2) +2 (x-1) -5 = 0 a) x = 2 b) x = 3 c) x = 6 d) x = -6 28) 3 (x-1) - (x-3) +5 (x-2) = 18 a) x = 4 b) x = 3 c) x = - 4 d) x = 5 29) 3x-2 (4x-3) = 2-3 (x-1) a) x = 1/3 b) x = 1/2 c) x = 2 d) x = 3 30) 5 (x-3) -4 (x + 2) = 2 + 3 (1-2x) a) x = -4 b) x = 2 c) x = 3 d) x = 4

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