x+11=-3x-9

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Solution for x+11=-3x-9 equation:


Simplifying
x + 11 = -3x + -9

Reorder the terms:
11 + x = -3x + -9

Reorder the terms:
11 + x = -9 + -3x

Solving
11 + x = -9 + -3x

Solving for variable 'x'.

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

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

Combine like terms: x + 3x = 4x
11 + 4x = -9 + -3x + 3x

Combine like terms: -3x + 3x = 0
11 + 4x = -9 + 0
11 + 4x = -9

Add '-11' to each side of the equation.
11 + -11 + 4x = -9 + -11

Combine like terms: 11 + -11 = 0
0 + 4x = -9 + -11
4x = -9 + -11

Combine like terms: -9 + -11 = -20
4x = -20

Divide each side by '4'.
x = -5

Simplifying
x = -5

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