Question

12 - x = x

Explanation:

Step1: Isolate x terms

Add $x$ to both sides.
$12 - x + x = x + x$
Simplify to get: $12 = 2x$

Step2: Solve for x

Divide both sides by 2.
$\frac{12}{2} = \frac{2x}{2}$

Answer:

$x = 6$