x*2+x=387

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Solution for x*2+x=387 equation: 


Simplifying
x * 2 + x = 387

Reorder the terms for easier multiplication:
2x + x = 387

Combine like terms: 2x + x = 3x
3x = 387

Solving
3x = 387

Solving for variable 'x'.

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

Divide each side by '3'.
x = 129

Simplifying
x = 129

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