The solution set for x-9-2x-7-21- x - N is -

The correct option is A 9, 10, 11, 12, 13Given, nbsp;9 lt; 2x 7 ⇒ x gt; 8 Also, nbsp;2x 7 lt; 21 ⇒ x lt; 14 Hence, the solution set is 9, 10 ...

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Standard VII

Mathematics

Graphical Representation of Inequation

The solution ...

Question

The solution set for { $x : 9 < 2 x - 7 < 21, x \in N$ } is .

{9, 10, 11, 12, 13}

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{9, 10, 11}

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{9, 10, 11, 12}

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{8, 9, 10, 11,12,13}

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Solution

The correct option is A {9, 10, 11, 12, 13}
Given, 9 < 2x - 7
$\Rightarrow$ x > 8
Also, 2x - 7 < 21
$\Rightarrow$ x < 14
Hence, the solution set is {9, 10, 11, 12, 13}

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The solution set for {x:9<2x−7<21,x∈N} is .

The correct option is A {9, 10, 11, 12, 13}Given, 9 < 2x - 7 ⇒ x > 8 Also, 2x - 7 < 21 ⇒ x < 14 Hence, the solution set is {9, 10, 11, 12, 13}

The solution set for { $x : 9 < 2 x - 7 < 21, x \in N$ } is .

The correct option is A {9, 10, 11, 12, 13}
Given, 9 < 2x - 7
$\Rightarrow$ x > 8
Also, 2x - 7 < 21
$\Rightarrow$ x < 14
Hence, the solution set is {9, 10, 11, 12, 13}