Question 20

What is the value of x in the following equation, 9x+3x=60

A. 5

B. 12

C. 6

D. 10

Question 21

In the equation, 4x+14=-2x-22+12 what is one of the steps that should be taken to solve for x?

A. Add 12 to both sides.

B. Add 14 to both sides of the equation.

C. Divide both sides of the equation by 4.

D. Divide both sides of the equation by 6.

Question 22

Solve the equation: 1/2+1/3x=2/3

A.x=1/2

B.x=1/4

C.x=1

D.x=2/3

Question 23

Solve the equation:3.3=12.2n+21.6

A. 1.5

B. 2.1

C. -1.5

D. -2.1

Question 24

In the equation, 4(x+5)-2x+4=16,what is the first step that should be taken to solve for x?

A. Distribute the four among the terms inside the parentheses

B. Combine like terms.

C. Subtract both sides of the equation by 4

D. Divide both sides of the equation by 2

Question 25

What is the value of m in the following equation, 3(2m-9+6m)=3m+29-7m

A. -3

B. 2

C. 5

D. 120

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