The correct option is B x= 25 7 Given, 7x 9=16 ⇒ 7x 9+9=16+9 #160; #160; #160; #160; #160;...[Adding 9 on both sides] ⇒ 7 ...

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Solve: 7x -...

Question

Solve: $7 x - 9 = 16$

x = \frac{5}{3}

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x = \frac{25}{7}

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x = \frac{17}{5}

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x = \frac{2}{3}

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Solution

The correct option is B $x = \frac{25}{7}$
$G i v e n, 7 x - 9 = 16$
$\Rightarrow 7 x - 9 + 9 = 16 + 9$ ...[Adding 9 on both sides]
$\Rightarrow 7 x = 25$
$\Rightarrow \frac{7 x}{7} = \frac{25}{7}$ ....[Dividing both sides by 7]
$\Rightarrow x = \frac{25}{7}$

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