X+12=2x+9

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Solution for X+12=2x+9 equation: 


Simplifying
X + 12 = 2x + 9

Reorder the terms:
12 + X = 2x + 9

Reorder the terms:
12 + X = 9 + 2x

Solving
12 + X = 9 + 2x

Solving for variable 'X'.

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

Add '-12' to each side of the equation.
12 + -12 + X = 9 + -12 + 2x

Combine like terms: 12 + -12 = 0
0 + X = 9 + -12 + 2x
X = 9 + -12 + 2x

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

Simplifying
X = -3 + 2x

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