82=2+30+40a

Solution for 82=2+30+40a equation:

Simplifying
82 = 2 + 30 + 40a

Combine like terms: 2 + 30 = 32
82 = 32 + 40a

Solving
82 = 32 + 40a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-40a' to each side of the equation.
82 + -40a = 32 + 40a + -40a

Combine like terms: 40a + -40a = 0
82 + -40a = 32 + 0
82 + -40a = 32

Add '-82' to each side of the equation.
82 + -82 + -40a = 32 + -82

Combine like terms: 82 + -82 = 0
0 + -40a = 32 + -82
-40a = 32 + -82

Combine like terms: 32 + -82 = -50
-40a = -50

Divide each side by '-40'.
a = 1.25

Simplifying
a = 1.25