1. The problem is to solve the equation $6 = 2m - n$ for $m$. 2. We want to isolate $m$ on one side of the equation. 3. Start with the equation: $$6 = 2m - n$$ 4. Add $n$ to both sides to move $n$ to the left: $$6 + n = 2m$$ 5. Divide both sides by 2 to solve for $m$: $$m = \frac{6 + n}{2}$$ 6. This is the expression for $m$ in terms of $n$.