12a=3a-4

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Solution for 12a=3a-4 equation: 


Simplifying
12a = 3a + -4

Reorder the terms:
12a = -4 + 3a

Solving
12a = -4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12a + -3a = -4 + 3a + -3a

Combine like terms: 12a + -3a = 9a
9a = -4 + 3a + -3a

Combine like terms: 3a + -3a = 0
9a = -4 + 0
9a = -4

Divide each side by '9'.
a = -0.4444444444

Simplifying
a = -0.4444444444

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