Solve for: c/2-4=6

Expression: $\frac{c}{2}-4=6$

Add $4$ to both sides

$\frac{c}{2}-4+4=6+4$

Simplify

$\frac{c}{2}=10$

Multiply both sides by $2$

$\frac{2c}{2}=10\cdot 2$

Simplify

$c=20$