Q. Find x if 5(x - 2) = 3x + 4.
-
A.
x = 6
-
B.
x = 2
-
C.
x = 4
-
D.
x = 8
Solution
Distribute: 5x - 10 = 3x + 4. Subtract 3x from both sides: 2x - 10 = 4. Add 10: 2x = 14. Divide by 2: x = 7.
Correct Answer:
C
— x = 4
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Q. Find x if 9x - 5 = 4x + 10.
-
A.
x = 3
-
B.
x = 2
-
C.
x = 5
-
D.
x = 4
Solution
Subtract 4x from both sides: 5x - 5 = 10. Add 5: 5x = 15. Divide by 5: x = 3.
Correct Answer:
A
— x = 3
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Q. If 2(x + 3) = 16, what is x?
-
A.
x = 4
-
B.
x = 5
-
C.
x = 6
-
D.
x = 3
Solution
Divide by 2: x + 3 = 8. Subtract 3: x = 5.
Correct Answer:
B
— x = 5
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Q. If 3x - 4 = 11, what is the value of x?
-
A.
x = 5
-
B.
x = 3
-
C.
x = 7
-
D.
x = 4
Solution
Add 4 to both sides: 3x = 15. Then divide by 3: x = 5.
Correct Answer:
A
— x = 5
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Q. If 6x + 2 = 20, what is x?
-
A.
x = 3
-
B.
x = 4
-
C.
x = 5
-
D.
x = 2
Solution
Subtract 2 from both sides: 6x = 18. Divide by 6: x = 3.
Correct Answer:
B
— x = 4
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Q. Solve for x: 10x + 5 = 3x + 20.
-
A.
x = 3
-
B.
x = 2
-
C.
x = 4
-
D.
x = 5
Solution
Subtract 3x from both sides: 7x + 5 = 20. Subtract 5: 7x = 15. Divide by 7: x = 15/7.
Correct Answer:
C
— x = 4
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Q. Solve for x: 2x + 5 = 15
-
A.
x = 5
-
B.
x = 10
-
C.
x = 2.5
-
D.
x = 7.5
Solution
Subtract 5 from both sides: 2x = 10. Then divide by 2: x = 5.
Correct Answer:
A
— x = 5
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Q. Solve for x: 7x - 3 = 4x + 12.
-
A.
x = 5
-
B.
x = 3
-
C.
x = 4
-
D.
x = 6
Solution
Subtract 4x from both sides: 3x - 3 = 12. Add 3: 3x = 15. Divide by 3: x = 5.
Correct Answer:
A
— x = 5
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Q. What is the solution to the equation 4x + 1 = 2x + 9?
-
A.
x = 4
-
B.
x = 3
-
C.
x = 2
-
D.
x = 5
Solution
Subtract 2x from both sides: 2x + 1 = 9. Subtract 1: 2x = 8. Divide by 2: x = 4.
Correct Answer:
B
— x = 3
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Q. What is the value of x in the equation 8 - 2x = 4?
-
A.
x = 2
-
B.
x = 3
-
C.
x = 4
-
D.
x = 1
Solution
Subtract 8 from both sides: -2x = -4. Divide by -2: x = 2.
Correct Answer:
A
— x = 2
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