1) X +2 = 12 a) X = 22 b) X=0 c) X = 10 2) x + 30 =10 a) X= -20 b) X= -23 c) X = 45 3) x + 20 = 50 a) X = 30 b) x=4 c) X= -20 4) x +10 = 22 a) X = 45 b) X= 12 c) 22 5) x + 8 = 12 a) X = 45 b) X=22 c) x=4 d) X = 35

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