x=5+7-2x

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Solution for x=5+7-2x equation: 


Simplifying
x = 5 + 7 + -2x

Combine like terms: 5 + 7 = 12
x = 12 + -2x

Solving
x = 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.
x + 2x = 12 + -2x + 2x

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

Combine like terms: -2x + 2x = 0
3x = 12 + 0
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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