Question
$(9x - 51) ÷ 9$ is $x - 51$

Answer

We have, $(9x - 51) ÷ 9$
$=\frac{9\text{x}-51}{9}$
$=\frac{9\text{x}}{9}-\frac{51}{9}$
$=\text{x}-\frac{51}{9}$

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