3+q+9=12

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Solution for 3+q+9=12 equation: 


Simplifying
3 + q + 9 = 12

Reorder the terms:
3 + 9 + q = 12

Combine like terms: 3 + 9 = 12
12 + q = 12

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

Combine like terms: 12 + -12 = 0
0 + q = 12 + -12
q = 12 + -12

Combine like terms: 12 + -12 = 0
q = 0

Solving
q = 0

Solving for variable 'q'.

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

Simplifying
q = 0

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