Answer
$x=6$
Work Step by Step
$2(x-6)=0$ $\longrightarrow$distributive property
$2x-12=0$ $\longrightarrow$addition property
$2x-12+12=0+12$ $\longrightarrow$combine like terms
$2x=12$ $\longrightarrow$multiplication property
$2x\div2=12\div2$ $\longrightarrow$divide
$x=6$