Let represent a number. Which equation translates “the quotient of a number and 6 is 8”?
4 Writing and Solving Equations Online Quiz Questions
Use this free practice quiz with 20 questions to review 4 Writing and Solving Equations, test your knowledge, and prepare for your next test or exam.
Applying the same operation to both sides of an equation preserves equality, provided the operation is defined on both sides and any division is by a nonzero number. True or false?
- A
True
- B
False
Solve 7x−4=31. What is the value of x?
What is the solution to 7x−6=36?
- A
x=4
- B
x=5
- C
x=6
- D
x=7
Let x be a number. A number is divided by 5, then 3 is added, and the result is 10. Write the equation:
To solve an equation such as 4x+7=31, undo multiplication before undoing addition.
- A
True
- B
False
Select all statements that give valid steps for solving 6x+8=38.
- A
Subtract 8 from both sides to get 6x=30.
- B
Divide both sides by 6 first to get x+8=38.
- C
Divide 6x=30 by 6 to get x=5.
- D
Subtract 8 from only the left side to get 6x=38.
A number is multiplied by 3 and then 2 is subtracted; the result is 19. Select all equations that represent the statement or follow from it by valid equation-solving steps.
- A
3x−2=19
- B
3x=21
- C
3(x−2)=19
- D
x=7
Complete the solution of 5x−6=24. After adding 6 to both sides, the equation is . After dividing both sides by 5, the solution is .
A number decreased by 9 is 14. What is the number?
A number is multiplied by 4, then 7 is added. The result is 35. If x is the number, which equation represents the situation?
- A
4(x+7)=35
- B
4x+7=35
- C
4x=35+7
- D
7x+4=35
A number is multiplied by 2 and then 9 is added; the result is 25. Define a variable, write an equation, solve it by showing the operations on both sides, and check your solution in the original equation.
Let x represent a number. Which equation translates “12 less than 3 times a number is 24”?
- A
3(x−12)=24
- B
12−3x=24
- C
3x−12=24
- D
3x=24−12
Which value satisfies 2x+7=19?
- A
x=4
- B
x=5
- C
x=6
- D
x=7
To solve 3x+4=19, subtract 4 from both sides before dividing both sides by 3.
- A
True
- B
False
What is the solution to x−9=14?
- A
x=5
- B
x=14
- C
x=23
- D
x=126
Which operation should be applied to both sides first to solve 5x=35?
- A
Add 5 to both sides.
- B
Divide both sides by 5.
- C
Subtract 5 from both sides.
- D
Multiply both sides by 5.
Solve 2x+3=17. What is the value of x?
A number is divided by 4, then 6 is added. The result is 11. Which equation represents the statement, using x for the number?
- A
4x+6=11
- B
4x+6=11
- C
x4+6=11
- D
4x=11+6
Solve 4x+7=31. What is the value of x?