2(w+3)+2w=30

Solution for 2(w+3)+2w=30 equation:

Simplifying
2(w + 3) + 2w = 30

Reorder the terms:
2(3 + w) + 2w = 30
(3 * 2 + w * 2) + 2w = 30
(6 + 2w) + 2w = 30

Combine like terms: 2w + 2w = 4w
6 + 4w = 30

Solving
6 + 4w = 30

Solving for variable 'w'.

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

Add '-6' to each side of the equation.
6 + -6 + 4w = 30 + -6

Combine like terms: 6 + -6 = 0
0 + 4w = 30 + -6
4w = 30 + -6

Combine like terms: 30 + -6 = 24
4w = 24

Divide each side by '4'.
w = 6

Simplifying
w = 6