Respuesta :

Answer:

The equation (i) is the only algebraic equations.

Step-by-step explanation:

From the given examples of equations the equation (i) is the only algebraic equations.

(i) 3.1x - 11.2 = 2.5x + 2.3.

This is an example of algebraic equation with single variable x.

(ii) ???? + ???? = 2????

This could be an equation with variable ???? but both the sides being equal they cancel each other and no equation remains.

(iii) 1/2 +1/2 = 2/4

This is not an algebraic equation since there is no variable. (Answer)