3.6(12-a)=43

Solution for 3.6(12-a)=43 equation:

Simplifying
3.6(12 + -1a) = 43
(12 * 3.6 + -1a * 3.6) = 43
(43.2 + -3.6a) = 43

Solving
43.2 + -3.6a = 43

Solving for variable 'a'.

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

Add '-43.2' to each side of the equation.
43.2 + -43.2 + -3.6a = 43 + -43.2

Combine like terms: 43.2 + -43.2 = 0.0
0.0 + -3.6a = 43 + -43.2
-3.6a = 43 + -43.2

Combine like terms: 43 + -43.2 = -0.2
-3.6a = -0.2

Divide each side by '-3.6'.
a = 0.05555555556

Simplifying
a = 0.05555555556