2x=12+x-3x

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Solution for 2x=12+x-3x equation: 


Simplifying
2x = 12 + x + -3x

Combine like terms: x + -3x = -2x
2x = 12 + -2x

Solving
2x = 12 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
2x + 2x = 12 + -2x + 2x

Combine like terms: 2x + 2x = 4x
4x = 12 + -2x + 2x

Combine like terms: -2x + 2x = 0
4x = 12 + 0
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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