Answer
$x=-13$; conditional
Work Step by Step
Distribute and simplify the left side. Then subtract $-11$ and $3x$ on both sides and divide. The equation is conditional because only one value will make it true.
$1-2(6-x)=3x+2$
$1-12+2x=3x+2$
$-11+2x=3x+2$
$-x=13$
$x=-13$