2x=(12-x)-3

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Solution for 2x=(12-x)-3 equation:


Simplifying
2x = (12 + -1x) + -3

Remove parenthesis around (12 + -1x)
2x = 12 + -1x + -3

Reorder the terms:
2x = 12 + -3 + -1x

Combine like terms: 12 + -3 = 9
2x = 9 + -1x

Solving
2x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
2x + x = 9 + -1x + x

Combine like terms: 2x + x = 3x
3x = 9 + -1x + x

Combine like terms: -1x + x = 0
3x = 9 + 0
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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