The aim of the expression is to find the value of x.
To find x, we have to divide both sides by the coefficient of x. By doing so, x will be isolated. Therefore,
[tex]\begin{gathered} 72=6x \\ \text{divide both sides by }6 \\ \frac{72}{6}=\frac{6x}{6} \\ 12=x \\ x=12 \end{gathered}[/tex]
