(x+6)+(x+9)+(x+3)=

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Solution for (x+6)+(x+9)+(x+3)= equation:


Simplifying
(x + 6) + (x + 9) + (x + 3) = 0

Reorder the terms:
(6 + x) + (x + 9) + (x + 3) = 0

Remove parenthesis around (6 + x)
6 + x + (x + 9) + (x + 3) = 0

Reorder the terms:
6 + x + (9 + x) + (x + 3) = 0

Remove parenthesis around (9 + x)
6 + x + 9 + x + (x + 3) = 0

Reorder the terms:
6 + x + 9 + x + (3 + x) = 0

Remove parenthesis around (3 + x)
6 + x + 9 + x + 3 + x = 0

Reorder the terms:
6 + 9 + 3 + x + x + x = 0

Combine like terms: 6 + 9 = 15
15 + 3 + x + x + x = 0

Combine like terms: 15 + 3 = 18
18 + x + x + x = 0

Combine like terms: x + x = 2x
18 + 2x + x = 0

Combine like terms: 2x + x = 3x
18 + 3x = 0

Solving
18 + 3x = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 3x = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 0 + -18
3x = 0 + -18

Combine like terms: 0 + -18 = -18
3x = -18

Divide each side by '3'.
x = -6

Simplifying
x = -6

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