x+9-3=12

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Solution for x+9-3=12 equation: 


Simplifying
x + 9 + -3 = 12

Reorder the terms:
9 + -3 + x = 12

Combine like terms: 9 + -3 = 6
6 + x = 12

Solving
6 + x = 12

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + x = 12 + -6

Combine like terms: 6 + -6 = 0
0 + x = 12 + -6
x = 12 + -6

Combine like terms: 12 + -6 = 6
x = 6

Simplifying
x = 6

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