Answer
$x=-1$
Work Step by Step
Distrubute the $3$ and $-2$ and simplify:
$6x-3-6x-8=11x$
$-11=11x$
Divide both sides by $11$:
$\dfrac{-11}{11}=\dfrac{11x}{11}$
$x=-1$
Substitute into original problem:
$3(2(-1)-1)-2(3(-1)+4)=11(-1)$
$3(-2-1)-2(-3+4)=-11$
$3(-3)-2(1)=-11$
$-9-2=-11$
$-11=-11$