What is the value of $x$ that satisfies the equation $9 x - 15 = 12$ ?
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Solution

The correct option is A 3
The given equation is, $9 x - 15 = 12$ .

Transposing $- 15$ from LHS to RHS, we get

$\Rightarrow 9 x = 12 + 15 \Rightarrow 9 x = 27$

Now, transposing 9 from LHS to RHS, we get

$\Rightarrow x = \frac{27}{9} \Rightarrow x = 3$

Therefore, the value of $x$ is 3.

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