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Solve and Graph the Solution Set on a Number Line: 7 > 3x – 8 ; X ∈ W - Mathematics

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Sum

Solve and graph the solution set on a number line: 7 > 3x – 8 ; x ∈ W

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Solution

7 ≥ 3x – 8 

⇒ 7 + 8 ≥ 3x - 8  8  (Adding 8 to both sides)

⇒ 15 ≥ 3x

⇒ `15/3` ≥ `"3x"/3`  (Dividing both sides by 3)

⇒ 5 ≥ x

∴ The required graph is: 

Concept: Operation on of Whole Number on Number Line
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 15 Linear Inequations
Exercise 15 (B) | Q 4 | Page 175
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