2(a+6)=28.6

Solution for 2(a+6)=28.6 equation:

Simplifying
2(a + 6) = 28.6

Reorder the terms:
2(6 + a) = 28.6
(6 * 2 + a * 2) = 28.6
(12 + 2a) = 28.6

Solving
12 + 2a = 28.6

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 2a = 28.6 + -12

Combine like terms: 12 + -12 = 0
0 + 2a = 28.6 + -12
2a = 28.6 + -12

Combine like terms: 28.6 + -12 = 16.6
2a = 16.6

Divide each side by '2'.
a = 8.3

Simplifying
a = 8.3