allerySolve 2 x + 5 > 11, then x belongs to
A{x : x = 3} only
B{x : x < 3} only
C{x : x > 3}
D{x : x >= 11} only
Answer & Solution
Correct answer: C. {x : x > 3}
1. Subtract 5: 2 x > 6.
2. Divide by 2: x > 3.
3. Sign does not flip.
4. Hence x > 3.
_Source: Selina Concise Mathematics Class 10, Ch 4 Linear Inequations in One Variable (Mistral OCR'd PDF), section on simple solving_
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