Solution - Linear equations with one unknown

Reformatting the input :

Changes made to your input should not affect the solution:

(1): Dot was discarded near "4.a".

Step by step solution :

Step  1  :

Solving a Single Variable Equation :

 1.1      Solve  :    3a = 0 

 Divide both sides of the equation by 3:
                     a = 0

One solution was found :