(X+3)+x+(x+3)+x=30

Solution for (X+3)+x+(x+3)+x=30 equation:

Simplifying
(X + 3) + x + (x + 3) + x = 30

Reorder the terms:
(3 + X) + x + (x + 3) + x = 30

Remove parenthesis around (3 + X)
3 + X + x + (x + 3) + x = 30

Reorder the terms:
3 + X + x + (3 + x) + x = 30

Remove parenthesis around (3 + x)
3 + X + x + 3 + x + x = 30

Reorder the terms:
3 + 3 + X + x + x + x = 30

Combine like terms: 3 + 3 = 6
6 + X + x + x + x = 30

Combine like terms: x + x = 2x
6 + X + 2x + x = 30

Combine like terms: 2x + x = 3x
6 + X + 3x = 30

Solving
6 + X + 3x = 30

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + X + -6 + 3x = 30 + -6

Reorder the terms:
6 + -6 + X + 3x = 30 + -6

Combine like terms: 6 + -6 = 0
0 + X + 3x = 30 + -6
X + 3x = 30 + -6

Combine like terms: 30 + -6 = 24
X + 3x = 24

Add '-3x' to each side of the equation.
X + 3x + -3x = 24 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 24 + -3x
X = 24 + -3x

Simplifying
X = 24 + -3x