3.6a-2.6a+5.1=8.6

Solution for 3.6a-2.6a+5.1=8.6 equation:

Simplifying
3.6a + -2.6a + 5.1 = 8.6

Reorder the terms:
5.1 + 3.6a + -2.6a = 8.6

Combine like terms: 3.6a + -2.6a = 1a
5.1 + 1a = 8.6

Solving
5.1 + 1a = 8.6

Solving for variable 'a'.

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

Add '-5.1' to each side of the equation.
5.1 + -5.1 + 1a = 8.6 + -5.1

Combine like terms: 5.1 + -5.1 = 0.0
0.0 + 1a = 8.6 + -5.1
1a = 8.6 + -5.1

Combine like terms: 8.6 + -5.1 = 3.5
1a = 3.5

Divide each side by '1'.
a = 3.5

Simplifying
a = 3.5