I believe it’s b- it might not be correct I believe
Linear Equation
A linear equation is any equation involving one or two variables whose exponents are one. In the case of one variable, one solution exists for the equation. For example, with 2x = 6, x can only be 3.
Linear Inequalities
A linear inequality is any statement involving one or two variables whose exponents are one, where inequality rather than equality is the center of focus
