Simple equations - take the quiz

Solve the equation: 2x + 5 = 15 (Single Answer: Score 5) A) x = 5, B) x = 6, C) x = 7, D) x = 8 Explanation: To solve the equation, we need to isolate the variable. Subtracting 5 from both sides gives us 2x = 10. Dividing both sides by 2, we find that x = 5. 2. Which of the following equations is equivalent to 3(x + 4) = 21?

Therefore, options A and D are correct. 3. Solve the equation: 4y - 7 = 17 (Single Answer: Score 4) A) y = 6, B) y = 7, C) y = 8, D) y = 9 Explanation: To solve the equation, we need to isolate the variable. Adding 7 to both sides gives us 4y = 24. Dividing both sides by 4, we find that y = 6. 4. Which of the following equations is equivalent to 2(3x - 5) = 16?

Therefore, options A and D are correct. 5. Solve the equation: 5z + 3 = 28 (Single Answer: Score 3) A) z = 5, B) z = 6, C) z = 7, D) z = 8 Explanation: To solve the equation, we need to isolate the variable. Subtracting 3 from both sides gives us 5z = 25. Dividing both sides by 5, we find that z = 5. 6. Which of the following equations is equivalent to 4(2x + 3) = 40?

Therefore, options A and D are correct. 7. Solve the equation: 3y - 8 = 13 (Single Answer: Score 2) A) y = 5, B) y = 6, C) y = 7, D) y = 8 Explanation: To solve the equation, we need to isolate the variable. Adding 8 to both sides gives us 3y = 21. Dividing both sides by 3, we find that y = 7. 8. Which of the following equations is equivalent to 2(4x - 3) = 14?

Therefore, options A and D are correct. 9. Solve the equation: 6z + 5 = 41 (Single Answer: Score 4) A) z = 6, B) z = 7, C) z = 8, D) z = 9 Explanation: To solve the equation, we need to isolate the variable. Subtracting 5 from both sides gives us 6z = 36. Dividing both sides by 6, we find that z = 6. 10. Which of the following equations is equivalent to 5(2x + 4) = 50?

Therefore, options A and D are correct. 11. Solve the equation: 7y - 9 = 30 (Single Answer: Score 3) A) y = 5, B) y = 6, C) y = 7, D) y = 8 Explanation: To solve the equation, we need to isolate the variable. Adding 9 to both sides gives us 7y = 39. Dividing both sides by 7, we find that y = 5. 12. Which of the following equations is equivalent to 3(5x - 2) = 33?