allerySolve x + 3 > 5, then x belongs to
A{x : x > 2}
B{x : x < 2} only
C{x : x = 2} only
D{x : x >= 5} only
Answer & Solution
Correct answer: A. {x : x > 2}
1. Subtract 3 from both sides of x + 3 > 5.
2. x + 3 - 3 > 5 - 3.
3. So x > 2.
4. Hence the solution set is {x : x > 2}.
_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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