6x=18 means:
6x/6 18/6
x=3
that's all
[tex]6x=18\\\\\text{We need only alone x on the left side.}\\\\\text{Number 6 bothers us. Between 6 and x is multiplication.}\\\\\text{That's why we divide both sides by 6.}\\\\\dfrac{6x}{6}=\dfrac{18}{6}\\\\\boxed{x=3}[/tex]
