## Precalculus: Mathematics for Calculus, 7th Edition

$x=-2$
$8-2x=14+x$ Take $x$ to the left side and $8$ to the right side: $-2x-x=14-8$ Evaluate the operations on both sides: $-3x=6$ Take $-3$ to divide the right side: $x=\dfrac{6}{-3}=-2$ $x=-2$