x+2x=-8

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Solution for x+2x=-8 equation: 


Simplifying
x + 2x = -8

Combine like terms: x + 2x = 3x
3x = -8

Solving
3x = -8

Solving for variable 'x'.

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

Divide each side by '3'.
x = -2.666666667

Simplifying
x = -2.666666667

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