x+x+9+2=

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Solution for x+x+9+2= equation:


Simplifying
x + x + 9 + 2 = 0

Reorder the terms:
9 + 2 + x + x = 0

Combine like terms: 9 + 2 = 11
11 + x + x = 0

Combine like terms: x + x = 2x
11 + 2x = 0

Solving
11 + 2x = 0

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 2x = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 2x = 0 + -11
2x = 0 + -11

Combine like terms: 0 + -11 = -11
2x = -11

Divide each side by '2'.
x = -5.5

Simplifying
x = -5.5

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