l 3x+3=15
Enter Equation or Inequality

Solve the following equation

3x+3=15

Solve for x

3x + 3 = 15

Divide each side by 3

3x
3
=
  
3
3

Group constants

Group our constants 3 and 15.
subtract 3 from both sides

3x + 3 - 3 = 15 - 3

Cancel 3 on the left side:

3x = 12

Divide each side of the equation by 3

3x
3
=
  
12
3

x = 4

Final Answer



x = 4