$\frac{x}{7}-6=6$

Step 1 ：Add 6 to both sides of the equation: \(\frac{x}{7} - 6 + 6 = 6 + 6\)

Step 2 ：Simplify the equation: \(\frac{x}{7} = 12\)

Step 3 ：Multiply both sides of the equation by 7: \(x = 12 \times 7\)

Step 4 ：Calculate the value of x: \(\boxed{x = 84}\)