11.Find the unknown in the equation, 3x + 5 = 35

A. 10 B. 11 C. 12 D. 13

12.What is the missing value in the equation 8 + ___ = 20 – 7?

A. 4 B. 5 C. 6 D. 7

13.What is the value of 9b + 3 if b = 5?

A. 45 B. 46 C. 47 D. 48

14.What is the value of x in the equation 5a = 10 + 15?

A. 5 B. 6 C. 7 D. 8

15.The product of x and 7 is 42. The value of x is ______.

A. 6 B. 7 C. 8 D. 9

16.Seven more than x is 9. The value of x is ______.

A. 2 B. 3 C. 4 D. 5

17.Kathryn has some apples. Jim has 15 oranges. If together they have 34

apples, how many apples have Kathryn?

A. 16 apples C. 18 apples

B. 17 apples D.19 apples

18.How old is John if he was 39 years old nineteen years ago?

A. 57 years old B. 58 years old C. 59 yrs. old D. 60 yrs. old

19.Twenty-four is three times a number increased by 9. What is the missing

number?

A. 3 B. 4 C. 5 D. 6

20.Evaluate 2 x b + 10 if b= 65

A. 140 B. 150 C. 160 D. 170​