To solve the equation \( 12 ( x + 7 ) = 0 \) for \( x \), the first step is to divide both sides by 12.
This simplifies the equation to \( x + 7 = 0 \). From there, you can proceed to isolate \( x \) by subtracting 7 from both sides.
So, the correct answer is:
Divide both sides by 12.