1. Solve for x: 3x + 7 = 22 A. x = 3 B. x = 5 C. x = 7 D. x = 9 Check Answer Show Solution Solution Correct: B Subtract 7 from both sides: 3x = 15. Divide both sides by 3: x = 5. Therefore, the answer is x = 5.
2. Simplify the expression: 4(y + 2) - 3y A. y + 2 B. 7y + 8 C. y + 8 D. 7y + 2 Check Answer Show Solution Solution Correct: C Distribute the 4: 4y + 8 - 3y. Combine like terms: y + 8. The answer is y + 8.
3. If a = 5 and b = -2, what is the value of a - b? A. 3 B. 7 C. -3 D. -7 Check Answer Show Solution Solution Correct: B Substitute the values: 5 - (-2). Subtracting a negative is the same as adding: 5 + 2 = 7. The answer is 7.
4. Solve for m: m/4 = 6 A. m = 2 B. m = 10 C. m = 24 D. m = 30 Check Answer Show Solution Solution Correct: C Multiply both sides by 4: m = 6 * 4 = 24. Therefore, the answer is m = 24.
5. What is the value of 2x + 5 when x = 3? A. 8 B. 10 C. 11 D. 13 Check Answer Show Solution Solution Correct: C Substitute x = 3 into the expression: 2(3) + 5 = 6 + 5 = 11. The answer is 11.
6. Which expression is equivalent to 2(x - 3) + 5? A. 2x - 1 B. 2x - 6 C. 2x + 2 D. 2x - 8 Check Answer Show Solution Solution Correct: A Distribute the 2: 2x - 6 + 5. Combine like terms: 2x - 1. The answer is 2x - 1.
7. Solve for y: 2y - 8 = 0 A. y = -4 B. y = 0 C. y = 4 D. y = 8 Check Answer Show Solution Solution Correct: C Add 8 to both sides: 2y = 8. Divide both sides by 2: y = 4. The answer is y = 4.
8. Combine like terms: 5a + 3b - 2a + b A. 3a + 4b B. 7a + 4b C. 3a + 2b D. 7a + 2b Check Answer Show Solution Solution Correct: A Combine the 'a' terms: 5a - 2a = 3a. Combine the 'b' terms: 3b + b = 4b. The simplified expression is 3a + 4b.
9. What is the value of 4x - 2 if x = -1? A. -6 B. -2 C. 2 D. 6 Check Answer Show Solution Solution Correct: A Substitute x = -1 into the expression: 4(-1) - 2 = -4 - 2 = -6. Therefore, the answer is -6.
10. Solve for p: p + 5 = 12 - 2 A. p = 5 B. p = 7 C. p = 9 D. p = 19 Check Answer Show Solution Solution Correct: A Simplify the right side: 12 - 2 = 10. The equation is now p + 5 = 10. Subtract 5 from both sides: p = 5. The answer is p = 5.
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