Geometry & equation

What is the solution of the following equation?

t + 16 = 7

• A. –23

• B. –9

• C. 9

• D. 23

  What is the solution of the following  equation?

 $\frac{x}{4}$   = –11

• F. –44 

• G. –7    

• H. 7      

• I. 44

What is the solution of the following equation?

81 = 3k

• A. 27

• B. 78

• C. 84

• D. 243

 What is the solution of the following equation?$\frac{1}{2}z\ =9\ \frac{1}{4}$  

•  $a.\ 4\frac{5}{8}$  

•  $b.\ 9\frac{1}{8}$  

•  $c.\ 18\frac{1}{4}$  

•  $d.\ 18\frac{1}{2}$  

What is the solution of the following equation?

37 = 18q + 1

• F. 0.5

• G. 2

• H. 12

• I. 19

What is an equivalent equation for the given equation?

4x + 11 = 15

• A. 4x = 26

• B. –4x + 11 = –15

• C. 15 = –11 – 4x

• D. 4x = 4

What is an equivalent equation for the given equation?

3(x – 9) = 3

• F. 3x – 9 = 3

• H. x – 9 = 1

• G. 3x – 9 = 9

• I. x – 9 = 9

The length of each side of a square was decreased by 2 inches, so the perimeter is now 48 inches. What was the original length of each side of the square?

• F. 10 in.

• G. 12 in.

• H. 14 in.

• I. 16 in.

What is the solution of the following equation?

0.3a = 6

• F. 1.8

• G. 2

• H. 18

• I. 20

What is the solution of x + 6 < 5?

• A. x < 11

• B. x > 11

• C. x < –1

• D. x > –1