w+(w+3)+w+(w+3)=42

Solution for w+(w+3)+w+(w+3)=42 equation:

Simplifying
w + (w + 3) + w + (w + 3) = 42

Reorder the terms:
w + (3 + w) + w + (w + 3) = 42

Remove parenthesis around (3 + w)
w + 3 + w + w + (w + 3) = 42

Reorder the terms:
w + 3 + w + w + (3 + w) = 42

Remove parenthesis around (3 + w)
w + 3 + w + w + 3 + w = 42

Reorder the terms:
3 + 3 + w + w + w + w = 42

Combine like terms: 3 + 3 = 6
6 + w + w + w + w = 42

Combine like terms: w + w = 2w
6 + 2w + w + w = 42

Combine like terms: 2w + w = 3w
6 + 3w + w = 42

Combine like terms: 3w + w = 4w
6 + 4w = 42

Solving
6 + 4w = 42

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 = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 4w = 42 + -6
4w = 42 + -6

Combine like terms: 42 + -6 = 36
4w = 36

Divide each side by '4'.
w = 9

Simplifying
w = 9