Decide Whether the Following Is an Expression or an Equation $7 \mathrm{x}-(5 \mathrm{x}-1)=2$

Multiple Choice

Decide whether the following is an expression or an equation. Simplify any expression or solve any equation.
- $7 \mathrm{x}-(5 \mathrm{x}-1) =2$

A) Equation; $\left\{\frac{1}{2}\right\}$

B) Expression; $2 x+5$

C) Equation; $\left\{\frac{1}{12}\right\}$

D) Expression; $5 x+2$