Solution - Linear equations with one unknown

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                     4*(a+3)-(12-4*a)=0 

Step by step solution :

Step  1  :

Equation at the end of step  1  :

  4 • (a + 3) -  (12 - 4a)  = 0 

Step  2  :

Equation at the end of step  2  :

  8a  = 0 

Step  3  :

Solving a Single Variable Equation :

 3.1      Solve  :    8a = 0 

 Divide both sides of the equation by 8:
                     a = 0

One solution was found :