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4 + 2 X 3 ≥ X 2 − 3 - Mathematics

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Question

\[\frac{4 + 2x}{3} \geq \frac{x}{2} - 3\]

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Solution

\[\frac{4 + 2x}{3} \geq \frac{x}{2} - 3\]
\[ \Rightarrow \frac{4 + 2x}{3} - \frac{x}{2} \geq - 3\]
\[ \Rightarrow \frac{8 + 4x - 3x}{6} \geq - 3\]
\[ \Rightarrow 8 + x \geq - 18 \left[ \text{ Multiplying both the sides by 6 } \right]\]
\[ \Rightarrow x \geq - 26 \left[ \text{ Transposing 8 to the RHS } \right]\]
\[\text{ Thus, the solution set of the given inequation is } [ - 26, \infty ) .\]

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Chapter 15: Linear Inequations - Exercise 15.1 [Page 10]

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RD Sharma Mathematics [English] Class 11
Chapter 15 Linear Inequations
Exercise 15.1 | Q 16 | Page 10
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