Answer
$x = (4, 12)$
Work Step by Step
$abs(\frac{x - 8} {4}) < 1$
$(\frac{x - 8} {4}) < 1$ or $(\frac{x - 8} {4}) > -1$
$(\frac{x - 8} {4})*4 < 1*4$
$x - 8 < 4$
$x - 8+8 < 4+8$
$x < 12$
$(\frac{x - 8} {4}) > -1$
$(\frac{x - 8} {4})*4 > -1*4$
$x - 8 > -4$
$x - 8+8 > -4+8$
$x > 4$
Finding Their Union
$x = (4, 12)$
