l 80-2b=b+5
Enter Equation or Inequality

Solve the following equation

80-2b=b+5

Solve for b

80 - 2b = b + 5

Group variables

Group our variables -2b and b
subtract b from both sides

-2b + 80 - b = b + 5 - b

Cancel b on the right side:

-3b + 80 = 5

Divide each side by 80

80b
80
=
  
-2
80

Group constants

Group our constants 80 and 5.
subtract 80 from both sides

-3b + 80 - 80 = 5 - 80

Cancel 80 on the left side:

-3b = -75

Divide each side of the equation by -3

-3b
-3
=
  
-75
-3

b = 25

Final Answer


b = 25