Is 5x + 6x = 3 a linear equation with one variable? Is x = 5 an equation? X = 5 is not an equation, there are no unknowns. Is 5x + 6x = 3 a linear equation with one variable

Is 5x + 6x = 3 a linear equation with one variable? Is x = 5 an equation? X = 5 is not an equation, there are no unknowns. Is 5x + 6x = 3 a linear equation with one variable

5x + 6x = 3 is a linear equation of one variable
X = 5 is the equation