2(6.6+-0.2y)+1y=12

Solution for 2(6.6+-0.2y)+1y=12 equation:

Simplifying
2(6.6 + -0.2y) + 1y = 12
(6.6 * 2 + -0.2y * 2) + 1y = 12
(13.2 + -0.4y) + 1y = 12

Combine like terms: -0.4y + 1y = 0.6y
13.2 + 0.6y = 12

Solving
13.2 + 0.6y = 12

Solving for variable 'y'.

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

Add '-13.2' to each side of the equation.
13.2 + -13.2 + 0.6y = 12 + -13.2

Combine like terms: 13.2 + -13.2 = 0.0
0.0 + 0.6y = 12 + -13.2
0.6y = 12 + -13.2

Combine like terms: 12 + -13.2 = -1.2
0.6y = -1.2

Divide each side by '0.6'.
y = -2

Simplifying
y = -2