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What is the interval form of the solution to −2x + 5 ≥ 11?−2x + 5 ≥ 11 के हल का अंतराल रूप क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (−∞, −3](−∞, −3]
Subtracting 5 from both sides gives −2x ≥ 6. Dividing by −2 reverses the inequality, giving x ≤ −3. The endpoint −3 is included, so the interval is (−∞, −3].दोनों पक्षों से 5 घटाने पर −2x ≥ 6 मिलता है। −2 से भाग देने पर असमानता का चिह्न उलट जाता है, इसलिए x ≤ −3। −3 शामिल है, अतः अंतराल (−∞, −3] है।
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