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Solve the Inequalities and Represent the Solution Graphically on Number Line: 5(2x – 7) – 3(2x + 3) ≤ 0, 2x + 19 ≤ 6x + 47 - Mathematics

Solve the inequalities and represent the solution graphically on number line: 5(2x – 7) – 3(2x + 3) ≤ 0, 2x + 19 ≤ 6x + 47

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Solution

5(2x – 7) – 3(2x + 3) ≤ 0

⇒ 10x – 35 – 6x – 9 ≤ 0

⇒ 4x – 44 ≤ 0

⇒ 4x ≤ 44

⇒ x ≤ 11 … (1)

2x + 19 ≤ 6x + 47

⇒ 19 – 47 ≤ 6x – 2x

⇒ –28 ≤ 4x

⇒ –7 ≤ x … (2)

From (1) and (2), it can be concluded that the solution set for the given system of inequalities is [–7, 11]. The solution of the given system of inequalities can be represented on number line as

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APPEARS IN

NCERT Class 11 Mathematics Textbook
Chapter 6 Linear Inequalities
Q 10 | Page 132
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