How do you solve 4x+6+3=17?

$4 x + 9 = 17$
$4 x = 17 - 9$
$4 x = 8$
$x = \frac{8}{4}$
$x = 2$
$4 \left(2\right) + 9 = 17$
$8 + 9 = 17$
$17 = 17$