X+9=-11

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Solution for X+9=-11 equation: 


Simplifying
X + 9 = -11

Reorder the terms:
9 + X = -11

Solving
9 + X = -11

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 + X = -11 + -9

Combine like terms: 9 + -9 = 0
0 + X = -11 + -9
X = -11 + -9

Combine like terms: -11 + -9 = -20
X = -20

Simplifying
X = -20

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