# How do you solve -2x - 6= 2x + 6?

$- 2 x - 6 = 2 x + 6$
$- 6 - 6 = 2 x + 2 x$
$- 12 = 4 x$
$- \frac{12}{4} = x$
$- 3 = x$
$- 2 \left(- 3 -\right) - 6 = 2 \left(- 3\right) + 6$
$6 - 6 = - 6 + 6$
$0 = 0$