13. Solve the equation below: \[ 5-\frac{1}{2} x=12 \] Original content Copyright $\odot$ by Houghton Miffin Harcourt. A

Step 1 ：Subtract 5 from both sides: \( -\frac{1}{2}x = 7 \)

Step 2 ：Multiply both sides by 2: \( -x = 14 \)

Step 3 ：Multiply both sides by -1: \( x = -14 \)

Step 4 ：\(\boxed{x = -14}\)