x+(x+3)+(x+6)=105

Solution for x+(x+3)+(x+6)=105 equation:

Simplifying
x + (x + 3) + (x + 6) = 105

Reorder the terms:
x + (3 + x) + (x + 6) = 105

Remove parenthesis around (3 + x)
x + 3 + x + (x + 6) = 105

Reorder the terms:
x + 3 + x + (6 + x) = 105

Remove parenthesis around (6 + x)
x + 3 + x + 6 + x = 105

Reorder the terms:
3 + 6 + x + x + x = 105

Combine like terms: 3 + 6 = 9
9 + x + x + x = 105

Combine like terms: x + x = 2x
9 + 2x + x = 105

Combine like terms: 2x + x = 3x
9 + 3x = 105

Solving
9 + 3x = 105

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 105 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 105 + -9
3x = 105 + -9

Combine like terms: 105 + -9 = 96
3x = 96

Divide each side by '3'.
x = 32

Simplifying
x = 32