Question

$\frac{x + 9}{3} = \frac{x}{5}$

Answer 1

$\frac{x + 9}{3} = \frac{x}{5} \\ 5x + 45 = 3x \\ 5x - 3x = - 45 \\ 2x = - 45 \\ x = - \frac{45}{2}$
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Answer 2

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