Answer
$x=2$
Work Step by Step
$-x+8+4x=14\longrightarrow$ combine like terms
$3x+8=14\longrightarrow$ subtract 8 from both sides
$3x+8-8=14-8\longrightarrow$ simplify
$3x=6\longrightarrow$ divide both sides by 3
$3x\div3=6\div3\longrightarrow$ divide
$x=2$