1) What is x in “x + 5 = 10”? a) -5 b) -3 c) 2 d) 1 e) 5 f) 6 2) What is x in “2x * 5 = 150”? a) 11 b) 10 c) 50 d) 15 e) -15 f) 150 3) What is x in “2x(5+4) = 54”? a) 18 b) 3 c) 4 d) 5 e) 12 f) 9 4) What is x in “2x + c = 240; C = 240(3) + 10” a) 720 b) 485 c) -245 d) 21 e) -125 f) 25 5) Bonus! What is y in “2x + 3y = 150; x = 22 + 52” a) 2/3 b) 4/3 c) 50 d) 25 e) 35 f) -45

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