.666(5-a)=2

Solution for .666(5-a)=2 equation:

Simplifying
0.666(5 + -1a) = 2
(5 * 0.666 + -1a * 0.666) = 2
(3.33 + -0.666a) = 2

Solving
3.33 + -0.666a = 2

Solving for variable 'a'.

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

Add '-3.33' to each side of the equation.
3.33 + -3.33 + -0.666a = 2 + -3.33

Combine like terms: 3.33 + -3.33 = 0.00
0.00 + -0.666a = 2 + -3.33
-0.666a = 2 + -3.33

Combine like terms: 2 + -3.33 = -1.33
-0.666a = -1.33

Divide each side by '-0.666'.
a = 1.996996997

Simplifying
a = 1.996996997