1) Seven less than twice a number is15. What is the number? a) 12 b) 7 c) 11 d) -11 e) 13 f) 14 2) If half the number is added to 16 is 60. What is the number? a) 60 b) 88 c) -60 d) -88 e) 70 f) 80 3) 2x+4=16 a) 11 b) 16 c) 20 d) 2 e) 5 f) 6 4) 5y+0=25 a) 5 b) 30 c) 25 d) 125 e) 145 f) 135 5) I am 24 years old. My age is 2 less than twice my sister’s age. Find the age of my sister. a) 12 b) 10 c) 11 d) 13 6) 5x+(-55)=20 a) +11 b) -11 c) 15 d) -15 e) 10 f) 20 7) Six times a number is fifty-four. a) 6x+54 b) x=54 c) 6x=54 d) 6+54 e) 54 f) 6 8) Translate: Twice a number less eight is equal to one more than three times the number. a) 2x−8=3x+1 b) 2x=3x+1-8 c) 2x+3x=9 d) x-8+3x+1 e) 8 f) 1 9) Translate: .Twelve more than a number. a) 2a+12 b) a+12 c) 12 d) a number e) twelve f) plus 10) If twice a number is decreased by 13, the result is 9. What is the number? a) 19 b) 12 c) 11 d) 2x e) 3x f) 4x

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