3a=9b-12

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Solution for 3a=9b-12 equation: 


Simplifying
3a = 9b + -12

Reorder the terms:
3a = -12 + 9b

Solving
3a = -12 + 9b

Solving for variable 'a'.

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

Divide each side by '3'.
a = -4 + 3b

Simplifying
a = -4 + 3b

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