x+-2x=3

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Solution for x+-2x=3 equation: 


Simplifying
x + -2x = 3

Combine like terms: x + -2x = -1x
-1x = 3

Solving
-1x = 3

Solving for variable 'x'.

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

Divide each side by '-1'.
x = -3

Simplifying
x = -3

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