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Questions and Answers
What is the value of x in the equation 2x + 5 = 11?
What is the value of x in the equation 2x + 5 = 11?
- 2
- 5
- 4
- 3 (correct)
If 3x - 2 = 14, what is the value of x?
If 3x - 2 = 14, what is the value of x?
- 4
- 6 (correct)
- 8
- 5
What is the value of y in the equation y/4 = 9?
What is the value of y in the equation y/4 = 9?
- 40
- 36 (correct)
- 45
- 48
If A = 2x + 3 and A = 11, what is the value of x?
If A = 2x + 3 and A = 11, what is the value of x?
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What is the value of z in the equation z - 3 = 7?
What is the value of z in the equation z - 3 = 7?
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Study Notes
Solving for Variables
- To solve for x in the equation 2x + 5 = 11, subtract 5 from both sides and divide by 2, giving x = 3.
- To find the value of x in the equation 3x - 2 = 14, add 2 to both sides and divide by 3, giving x = 6.
- To solve for y in the equation y/4 = 9, multiply both sides by 4, giving y = 36.
- To find the value of x in the equation A = 2x + 3, where A = 11, subtract 3 from both sides and divide by 2, giving x = 4.
- To solve for z in the equation z - 3 = 7, add 3 to both sides, giving z = 10.
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