40.8=5.1a

Solution for 40.8=5.1a equation:

Simplifying
40.8 = 5.1a

Solving
40.8 = 5.1a

Solving for variable 'a'.

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

Add '-5.1a' to each side of the equation.
40.8 + -5.1a = 5.1a + -5.1a

Combine like terms: 5.1a + -5.1a = 0.0
40.8 + -5.1a = 0.0

Add '-40.8' to each side of the equation.
40.8 + -40.8 + -5.1a = 0.0 + -40.8

Combine like terms: 40.8 + -40.8 = 0.0
0.0 + -5.1a = 0.0 + -40.8
-5.1a = 0.0 + -40.8

Combine like terms: 0.0 + -40.8 = -40.8
-5.1a = -40.8

Divide each side by '-5.1'.
a = 8

Simplifying
a = 8