How do you solve 2x - 8x + 1 = 9 - 10x?

$x = 2$

Explanation:

Start from the given equation
$2 x - 8 x + 1 = 9 - 10 x$

$2 x - 8 x + 10 x = 9 - 1$

$4 x = 8$

$\frac{4 x}{4} = \frac{8}{4}$

$x = 2$

God bless....I hope the explanation is useful.