Algebra & Equations · Question 1 · Easy
If 3x + 7 = 31, what is the value of x?
- 6
- 38/3
- 12
- 8
Answer and explanation
Answer: D. 8
Explanation: 3x = 31 − 7 = 24, so x = 8.
Next: If 5(x − 2) = 2x + 11, find x.
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