Q. Find x if 7x + 2 = 23.
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Subtract 2 from both sides: 7x = 21. Step 2: Divide both sides by 7: x = 3.
Correct Answer:
C
— x = 4
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Q. If 2(x + 3) = 10, what is x?
-
A.
x = 1
-
B.
x = 2
-
C.
x = 3
-
D.
x = 4
Solution
Divide by 2: x + 3 = 5. Subtract 3: x = 2.
Correct Answer:
B
— x = 2
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Q. If 2(x + 3) = 16, what is x?
-
A.
x = 4
-
B.
x = 5
-
C.
x = 6
-
D.
x = 7
Solution
Divide by 2: x + 3 = 8. Subtract 3: x = 5.
Correct Answer:
B
— x = 5
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Q. If 2x^2 - 8 = 0, what is x?
-
A.
x = 2
-
B.
x = -2
-
C.
x = 4
-
D.
x = -4
Solution
Add 8: 2x^2 = 8. Divide by 2: x^2 = 4. Take square root: x = 4 or x = -4.
Correct Answer:
C
— x = 4
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Q. If 3x + 4 = 19, what is x?
-
A.
x = 3
-
B.
x = 5
-
C.
x = 4
-
D.
x = 6
Solution
Subtract 4 from both sides: 3x = 15. Divide by 3: x = 5.
Correct Answer:
B
— x = 5
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Q. If 5(x - 1) = 15, what is x?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Divide both sides by 5: x - 1 = 3. Step 2: Add 1 to both sides: x = 4.
Correct Answer:
D
— x = 5
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Q. If 7x - 3 = 4x + 6, what is x?
-
A.
x = 1
-
B.
x = 2
-
C.
x = 3
-
D.
x = 4
Solution
Subtract 4x from both sides: 3x - 3 = 6. Add 3: 3x = 9. Divide by 3: x = 3.
Correct Answer:
B
— x = 2
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Q. If 9x + 1 = 28, what is x?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Subtract 1 from both sides: 9x = 27. Step 2: Divide both sides by 9: x = 3.
Correct Answer:
B
— x = 3
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Q. Solve for x: 2(x + 3) = 14
-
A.
x = 4
-
B.
x = 5
-
C.
x = 6
-
D.
x = 7
Solution
Divide by 2: x + 3 = 7. Subtract 3: x = 4.
Correct Answer:
A
— x = 4
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Q. Solve for x: 3(x + 2) = 21
-
A.
x = 5
-
B.
x = 7
-
C.
x = 3
-
D.
x = 4
Solution
Divide by 3: x + 2 = 7. Subtract 2: x = 5.
Correct Answer:
B
— x = 7
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Q. Solve for x: 4x - 12 = 0
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Add 12 to both sides: 4x = 12. Step 2: Divide both sides by 4: x = 3.
Correct Answer:
B
— x = 3
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Q. Solve for x: 7 - 2x = 1
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Subtract 7 from both sides: -2x = -6. Divide by -2: x = 3.
Correct Answer:
A
— x = 2
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Q. Solve for x: 7x - 4 = 24
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Add 4 to both sides: 7x = 28. Step 2: Divide by 7: x = 4.
Correct Answer:
D
— x = 5
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Q. Solve for x: x/4 + 5 = 9
-
A.
x = 12
-
B.
x = 16
-
C.
x = 20
-
D.
x = 24
Solution
Subtract 5 from both sides: x/4 = 4. Multiply by 4: x = 16.
Correct Answer:
B
— x = 16
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Q. Solve for x: x/4 - 2 = 1
-
A.
x = 8
-
B.
x = 12
-
C.
x = 16
-
D.
x = 20
Solution
Add 2 to both sides: x/4 = 3. Multiply by 4: x = 12.
Correct Answer:
A
— x = 8
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Q. Solve for x: x^2 + 4x + 4 = 0
-
A.
x = -2
-
B.
x = 2
-
C.
x = 0
-
D.
x = -4
Solution
Factor: (x + 2)(x + 2) = 0. So, x = -2.
Correct Answer:
A
— x = -2
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Q. Solve the inequality: 2x - 5 < 3
-
A.
x < 4
-
B.
x < 3
-
C.
x < 2
-
D.
x < 1
Solution
Add 5 to both sides: 2x < 8. Divide by 2: x < 4.
Correct Answer:
A
— x < 4
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Q. What is the solution to the equation 6x - 5 = 19?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Step 1: Add 5 to both sides: 6x = 24. Step 2: Divide both sides by 6: x = 4.
Correct Answer:
C
— x = 4
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Q. What is the solution to the equation 7x + 2 = 23?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Subtract 2 from both sides: 7x = 21. Divide by 7: x = 3.
Correct Answer:
C
— x = 4
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Q. What is the solution to the equation x^2 - 9 = 0?
-
A.
x = 3
-
B.
x = -3
-
C.
x = 0
-
D.
x = 9
Solution
Factor: (x - 3)(x + 3) = 0. Solutions are x = 3 and x = -3.
Correct Answer:
A
— x = 3
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Q. What is the value of x in the equation 2(x - 3) = 8?
-
A.
x = 5
-
B.
x = 6
-
C.
x = 7
-
D.
x = 8
Solution
Step 1: Divide both sides by 2: x - 3 = 4. Step 2: Add 3 to both sides: x = 7.
Correct Answer:
B
— x = 6
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Q. What is the value of x in the equation 4x^2 - 12x = 0?
-
A.
x = 0 or x = 3
-
B.
x = 1 or x = 4
-
C.
x = 2 or x = 6
-
D.
x = -3 or x = 4
Solution
Factor: 4x(x - 3) = 0. So, x = 0 or x = 3.
Correct Answer:
A
— x = 0 or x = 3
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Q. What is the value of x in the equation 7x + 2 = 23?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 5
Solution
Subtract 2: 7x = 21. Divide by 7: x = 3.
Correct Answer:
C
— x = 4
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