1) x + 5 = 12 a) x = 5 b) x = 7 c) x = 17 d) x = 8 2) 3x = 18 a) x = 3 b) x = 9 c) x = 6 d) x = 12 3) x - 4 = 10 a) x = 14 b) x = 6 c) x = 8 d) x = 10 4) x ÷ 5 = 5 a) 15 b) 20 c) 25 d) 10 5) 5x = 35 a) x = 5 b) x = 6 c) x= 8 d) x = 7 6) x ÷ 2 = 9 a) 4.5 b) 9 c) 18 d) 20 7) x + 15 = 21 a) x = 6 b) x = 5 c) x = 15 d) x = 18 8) x - 7 = 0 a) -7 b) 0 c) 7 d) 14 9) 6x = 42 a) x = 5 b) x = 6 c) x = 8 d) x = 7 10) x ÷ 5 = 9 a) 40 b) 45 c) 50 d) 59

Algebra

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