8.1a+2.3=5.1-3.1

Solution for 8.1a+2.3=5.1-3.1 equation:

Simplifying
8.1a + 2.3 = 5.1 + -3.1

Reorder the terms:
2.3 + 8.1a = 5.1 + -3.1

Combine like terms: 5.1 + -3.1 = 2
2.3 + 8.1a = 2

Solving
2.3 + 8.1a = 2

Solving for variable 'a'.

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

Add '-2.3' to each side of the equation.
2.3 + -2.3 + 8.1a = 2 + -2.3

Combine like terms: 2.3 + -2.3 = 0.0
0.0 + 8.1a = 2 + -2.3
8.1a = 2 + -2.3

Combine like terms: 2 + -2.3 = -0.3
8.1a = -0.3

Divide each side by '8.1'.
a = -0.03703703704

Simplifying
a = -0.03703703704