2. Linear Equations and Inequalities

Which of the following is a linear equation in one variable?

Identify the following as either an expression or equation.

$\frac{2m}{3}+8$

Identify the following as either an expression or equation.

$4(a-2)=21$

Which of the following is a linear equation in one variable?

Verify that the given value is a solution to the equation.

$y=-2;5y+4=14$