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Solve the Inquation 8 – 2x > X – 5 ; X ∈ N. - Mathematics

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Question

Solve the inquation 8 – 2x ≥ x – 5; x ∈ N.

Sum

Solution

8 – 2x ≥ x – 5; x ∈ N.

⇒ 8 + 5 ≥ 2x + x

⇒ 13 ≥ 3x ⇒ 3x ≤ 13

⇒ x ≤ `13/3 = 4 1/3`

x = 1, 2, 3, 4 (x ∈ N)

Solution set = {1, 2, 3, 4}

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Replacement Set and Solution Set
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Chapter 15: Linear Inequations - Exercise 15 (A) [Page 173]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 15 Linear Inequations
Exercise 15 (A) | Q 8 | Page 173
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