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Solve for X in the Following In-equation, If the Replacement Set is R; - Mathematics

Sum

Solve for x in the following in-equation, if the replacement set is R; 

2x - 7 ≥  5x + 8

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Solution

2x - 7 ≥ 5x + 8 

2x - 7 ≥ 5x + 8 

2x - 5x ≥ 8 + 7 

-3x ≥ 15 

3x ≤ -15 

x ≤ -5 

Since, replacement set is R

Solution set= {x : x ∈ R and x ≤ -5} 

  Is there an error in this question or solution?
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APPEARS IN

Frank ICSE Class 10 Mathematics Part 2
Chapter 5 Linear Inequations
Exercise 5.1 | Q 2.09 | Page 74
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