l 2a+7=25
Enter Equation or Inequality

Solve the following equation

2a+7=25

Solve for a

2a + 7 = 25

Divide each side by 2

2a
2
=
  
7
2

Group constants

Group our constants 7 and 25.
subtract 7 from both sides

2a + 7 - 7 = 25 - 7

Cancel 7 on the left side:

2a = 18

Divide each side of the equation by 2

2a
2
=
  
18
2

a = 9

Final Answer


a = 9