Answer
$x=1$
Work Step by Step
$2(x+4)=10$ $\longrightarrow$distributive property
$2x+8=10$ $\longrightarrow$addition property
$2x+8-8=10-8$ $\longrightarrow$combine like terms
$2x=2$ $\longrightarrow$multiplication property
$2x\div2=2\div2$ $\longrightarrow$divide
$x=1$