1) x - (-9) = -16 a) x = -25 b) x = 25 c) x = 7 d) x = -7 2) -7x = 21 a) x = 28 b) x = -3 c) x = 3 d) x = 14 3) x - 8 = -10 a) x = 18 b) x = 2 c) x = -2 d) x = -18 4) x/7 = 8 a) x = 1 b) x = -1 c) x = 56 d) x = 15 5) x + 15 = -5 a) x = -10 b) x = 10 c) x = -25 d) x = -20 6) 10x = 40 a) x = 4 b) x = -30 c) x = 30 d) x = -4 7) -4 = x/12  a) x = 48 b) x = -48 c) x = -8 d) x = 8 8) x + (-2) = 6 a) x = 8 b) x = 4 c) x = -3 d) x = 3 9) -8 = x/(-2) a) x = 16 b) x = 10 c) x = -10 d) x = -16 10) 3x = -33 a) x = 11 b) x = -11 c) x = -30 d) x = 30 11) 26 = -8 + x a) x = -18 b) x = 18 c) x = 34 d) x = -34 12) -6 = x - 5 a) x = 1 b) x = 11 c) x = -1 d) x = -11

Boxes 'Solving One-Step Equations'

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