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 :

                     15*x+1200-(30*x+500)=0 

Step by step solution :

Step  1  :

Pulling out like terms :

 1.1     Pull out like factors :

   -15x + 700  =   -5 • (3x - 140) 

Equation at the end of step  1  :

Step  2  :

Equations which are never true :

 2.1      Solve :    -5   =  0

This equation has no solution.
A a non-zero constant never equals zero.

Solving a Single Variable Equation :

 2.2      Solve  :    3x-140 = 0 

 Add  140  to both sides of the equation : 
                      3x = 140
Divide both sides of the equation by 3:
                     x = 140/3 = 46.667

One solution was found :