Answer
$x=-2$
Work Step by Step
We are given that $3x-4-5x=x+4+x$. In order to solve for x, we can first group like terms on each side.
$-2x-4=2x+4$
Subtract 4 from both sides.
$-2x-8=2x$
Add 2x to both sides.
$-8=4x$
Divide both sides by 4.
$x=-2$