Question

x
$\frac{x}{6} + 9 = 12$
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Answer 1

$\frac{x}{6} + 9 = 12$

$\frac{x + 54}{6} = 12$

$x + 54 = 12 \times 6$

$x + 54 = 72$

$x = 72 - 54$

$x = 18$

Answer 2

Here is your answer mate

Hope it helps you