2(w+6.1)+2w=64.2

Solution for 2(w+6.1)+2w=64.2 equation:

Simplifying
2(w + 6.1) + 2w = 64.2

Reorder the terms:
2(6.1 + w) + 2w = 64.2
(6.1 * 2 + w * 2) + 2w = 64.2
(12.2 + 2w) + 2w = 64.2

Combine like terms: 2w + 2w = 4w
12.2 + 4w = 64.2

Solving
12.2 + 4w = 64.2

Solving for variable 'w'.

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

Add '-12.2' to each side of the equation.
12.2 + -12.2 + 4w = 64.2 + -12.2

Combine like terms: 12.2 + -12.2 = 0.0
0.0 + 4w = 64.2 + -12.2
4w = 64.2 + -12.2

Combine like terms: 64.2 + -12.2 = 52
4w = 52

Divide each side by '4'.
w = 13

Simplifying
w = 13