Solve - 9x - 7 - 28 - 4x - x - W-

The correct option is C 0, 1, 2, 3, 4, 5, 6, 7 9x 7 ≤ 28 + 4x ; Xϵ W ⇒ 9x 4x #160; ≤ 28 + 7 ⇒ #160; 5x lt; 35 ⇒ x ≤35/5 ⇒ x ≤ ...

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Standard X

Mathematics

Concept of Inequality

Solve : 9x ...

Question

Solve : $9 x - 7 \leq 28 + 4 x; x \in W$ .

{1, 2, 3, 4, 5, 6}

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{0, 1, 2, 3, 4, 5, 6, 7}

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{2, 3, 4, 5, 6, 7}

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Data incorrect

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Solution

The correct option is C {0, 1, 2, 3, 4, 5, 6, 7}
$9 x - 7 \leq 28 + 4 x; X ϵ W$
$\Rightarrow 9 x - 4 x \leq 28 + 7$
$\Rightarrow 5 x < 35$
$\Rightarrow x \leq \frac{35}{5}$
$\Rightarrow x \leq 7$
$∵ t h e r e p l a c e m e n t s e t = W (W h o l e N u m b e r s)$
$∴ s o l u t i o n s e t = 0, 1, 2, 3, 4, 5, 6, 7$

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Solve : 9x−7≤28+4x;x∈W.

The correct option is C {0, 1, 2, 3, 4, 5, 6, 7}9x−7≤28+4x;XϵW⇒9x−4x≤28+7⇒5x<35⇒x≤355⇒x≤7∵ the replacement set=W(Whole Numbers)∴ solution set=0,1,2,3,4,5,6,7

Solve : $9 x - 7 \leq 28 + 4 x; x \in W$ .