Equations, SM-Bank 001 MC Which of the following is not an equation? \(2+7=9\) \(x-3=7\) \(3n-4\) \(x+4=3x-8\) Show Answers Only \(C\) Show Worked Solution \(\text{Option C does not contain an equals sign and}\) \(\text{therefore is an expression not an equation.}\) \(\Rightarrow C\)